at a given instant, an electron and a proton are moving with the same velocity in a constant magnetic field. compare the magnetic forces on these particles. compare their accelerations.
Answers
On comparing the accelerations of electron and proton, we can say that the proton will experience a smaller acceleration than the electron.
Comparing accelerations of particles:
The magnetic force experienced by a charged particle in a magnetic field is given by the equation F = qvBsinθ, where q is the charge of the particle, v is its velocity, B is the magnetic field, and θ is the angle between the velocity vector and the magnetic field vector. Since both the electron and proton have the same velocity and are moving in the same magnetic field, their magnetic forces will be proportional to their charges. Since the charge of a proton is greater than that of an electron, the proton will experience a greater magnetic force than the electron.
The acceleration of a charged particle moving in a magnetic field is given by the equation a = F/m, where m is the mass of the particle. Since the mass of a proton is greater than that of an electron, the proton will experience a smaller acceleration than the electron, even though it experiences a greater magnetic force. Therefore, the electron will be deflected more strongly by the magnetic field than the proton.
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Related Questions
Antarctica's landscape is proof that ____.
A. a large amount of water does not make a continent habitable
B. it has the highest levels of precipitation in the world
C. humans cannot survive at extremely high altitudes
D. a continent covered in snow can be one of the driest on earth
Answers
Answer:
The answer to the equation is B hope this helps:)
Answer:
D. a continent covered in snow can be one of the driest on earth
Explanation:
A highway patrol airplane flies 3 miles above a level, straight road at a steady speed of 120 miles an hour. The pilot sees an oncoming car and, with radar, determines that the line-of-sight distance from the airplane to the car is 5 miles and decreasing at a rate of 160 miles an hour. Find the car's speed along the highway.
Answers
The car's speed along the highway is 76 miles per hour.
The pilot sees an oncoming car and, with radar, determines that the line-of-sight distance from the airplane to the car is 5 miles and decreasing at a rate of 160 miles an hour. In order to find the car's speed along the highway, we need to determine the rate of the car's distance from the highway patrol airplane. Let s be the speed of the car along the highway.
Then the distance x between the airplane and the car is given by:
x² + 9 = 5², since the airplane is flying at a height of 3 miles above the car.So, x² + 9 = 25x² = 16.So, x = 4 miles.Let d be the distance between the airplane and the car. Then, d is decreasing at a rate of 160 miles per hour.So, d = 5 - (160/60) = 2.67 miles at t = 1 hour. Since the airplane is flying at a constant speed of 120 miles per hour, the rate of decrease of distance between the airplane and the car, as observed from the airplane, is 120 - s.
Therefore, we can write that 2.67 = (120 - s)t, where t is the time in hours taken by the airplane to reach the car.Since the airplane is flying at a constant speed of 120 miles per hour, we have t = x/120.Substituting t in terms of x, we get:2.67 = (120 - s) x/120.
Simplifying the above equation:
2.67 × 120/4 = 120 - sx = 100/3.
Hence, the car's speed along the highway is s = 120 - (2.67 × 120)/100/3 = 76 miles per hour.
Therefore, the car's speed along the highway is 76 miles per hour.
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from a physical point of view, how do you explain the fact that the pressure drop at the ends of the elevated flow tube from part c is larger than the pressure drop occurring in the similar but purely horizontal flow from part a?
Answers
A greater amount of work is needed to balance the increase in potential energy from the elevation change.
Kinetic energy, which may be seen in the movement of an object, particle, or group of particles, is the energy of motion while, Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases.
Only the increase in kinetic energy brought on by the fluid's acceleration had to be balanced in the case of fully horizontal flow by the difference in pressure between the two ends of the flow tube. A higher pressure is required for the flow to occur in an elevated flow tube since the difference in pressure also needs to balance the fluid's increased potential energy.
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The law of increasing opportunity cost is reflected in the shape of the The law of increasing opportunity cost is reflected in the shape of the upward-sloping production possibilities curve. horizontal production possibilities curve. production possibilities curve concave to the origin. production possibilities curve convex to the origin.
Answers
The correct answer to your question is "production possibilities curve concave to the origin."
The law of increasing opportunity cost states that as you produce more of one good, the opportunity cost of producing additional units of that good increases. This is reflected in the shape of the production possibilities curve, which shows the maximum combinations of two goods that can be produced with the given resources and technology.
The curve is upward-sloping because to produce more of one good, you must give up some of the other good. The shape of the curve is concave to the origin because of the law of increasing opportunity cost - as you produce more of one good, the opportunity cost of producing additional units of that good increases, meaning that the trade-off between the two goods becomes steeper.
Therefore, the correct answer to your question is "production possibilities curve concave to the origin."
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''Hydropower is also the product of solar energy''. clarify this statement
Answers
Answer:
well, hydropower is using fast-running water as a source of power to power machines or produce electricity, and using water can help make the earth a little cleaner, just like solar energy (energy from the sun). instead of using things like coal, oil, gas which is bad for the earth
Explanation:
PHYSICS.
……………………………………………….
Answers
Answer:
Work, W = F * d, and
Work = change in kinetic energy, so W=deltaKE.
Hence,
deltaKE=F * d
(1/2)*m*v^2 =F * d
d=[(1/2)*m*v^2]/F
d=[(1/2)*0.6*20^2]/5
d=24 m.
Explanation:
Work = change in kinetic energy, so W=deltaKE.
Assume that the mass of an average cell is ten times the mass of a bacterium. The mass of a bacterium is 10-15 kg.
Answers
A bacteria (10^15 kg) weighs ten times as much as an ordinary cell (10^2 kg for a hummingbird and 10^12 cells for a bacterium). A essential quality of a body is its mass.
It was widely believed to be connected to the volume of matter in a physical body before to the atom's discovery and the development of particle physics. The mass of a unit cell is calculated as the product of the masses of each atom and the quantity of atoms in the unit cell. Mast cells are so-called because they can release protein-antibodies.
(Hummingbird Mass/Cell Mass) = 10^-2/10^-14 = 10^12 cells is the formula for estimating the number of cells.
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The complete question is -
Assuming the mass of an average cell is ten times the mass of a bacterium (which is 10⁻¹⁵ kg):Calculate the number of cells in a hummingbird, assuming it weighs 10⁻² kg.
What is the relationship between resistance and current.
Answers
Answer:
They are inversely proportional with each other. \(R\) ∝ \(\frac{1}{I}\)
Explanation:
By the equation V=IR, assume V is constant.
Since I and R are on the same side,
if I increase, R decreases, or the vice versa.
A bat hasa mads of 2kg at the velocity of 45 m/s what is the kinectic energy could he give to a ball
Answers
Answer:
the kinetic energy the bat can give to a ball is 2,025 J.
Explanation:
Given;
mass of the bat, m = 2kg
velocity of the bat, v = 45 m/s
The kinetic energy the bat can give to a ball is calculated as;
\(K.E = \frac{1}{2} mv^2\\\\K.E = \frac{1}{2} \times \ 2 \ \times \ 45^2\\\\K.E = 2,025 \ J\)
Therefore, the kinetic energy the bat can give to a ball is 2,025 J.
Is Ophelia a static or dynamic character?.
Answers
Ophelia is a dynamic character.
In Shakespeare's Hamlet, for example, the individual of Hamlet is dynamic due to the fact his attitudes and movements at the top of the play stand in direct assessment to those at the play's beginning; inside the same paintings, Polonius is static due to the fact his person is constant and does now not exchange.
Of all of the pivotal characters in Hamlet, Ophelia is the most static and one-dimensional. She has the capability to grow to be a sad heroine to conquer the adversities inflicted upon her, however, she as a substitute crumbles into madness, becoming merely tragic.
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rock layer that can be porous but must have very low to no permeability
Answers
Rock layer that can be porous but must have very low to no permeability is option A. above oil and natural gas
What is soil permeability?Soil permeability is a measure of a soil's ability to allow water to flow through it. It is determined by the size, shape, and arrangement of the soil particles, as well as by the presence of pores or fractures in the soil.
Soils with high permeability allow water to flow through them quickly, while soils with low permeability do not allow water to flow through as easily. Permeability is important for both agricultural and engineering applications, as it can affect water availability for plants, and the stability of foundations for buildings and other structures.
Therefore, the correct answer is as given above
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The complete question goes thus:
Rock layer that can be porous but must have very low to no permeability.
A. above oil and natural gas
B. Under oil and natural gas
C. Coal, oil, natural gas
D. anthracite
Which of the following is NOT a criteria for a celestial object to be a planet?
-The object has cleared the neighborhood around its orbit of smaller objects.
-The object is in orbit around the Sun.
-The object has a nearly spherical shape.
-The object must be massive enough have a gravitational pull on the sun.
Answers
Answer:
The option which is not a criteria for a celestial object to be a planet is;
The object must be massive enough have a gravitational pull on the Sun
Explanation:
There are three criteria for a celestial object to be classified as a planet including;
1) The object's orbit is around the Sun
2) The shape of the object is nearly round due to its mass which is capable of assuming hydrostatic equilibrium
3) Other smaller objects in the neighborhood around the object has been cleared by the object
Therefore, the option which is not a criteria for a celestial object to be a planet is that it must be massive enough to have a gravitational pull on the Sun as every two objects in the Universe share a common gravitational pull according to Newton's Law of Gravitation.
Find the circumference of each circle. Use 3. 14 or 22/7 for pi. Round to the nearest tenth if necessary.
Answers
To find the circumference of a circle, you can use the formula C = 2πr, where C is the circumference and r is the radius of the circle.
How to find circuferenceCircle 1:
Let's assume the radius of Circle 1 is given as 5 units.
C1 = 2 * 3.14 * 5
C1 ≈ 31.4 units (rounded to the nearest tenth)
Circle 2:
Assuming the radius of Circle 2 is given as 10 units.
C2 = 2 * 3.14 * 10
C2 ≈ 62.8 units (rounded to the nearest tenth)
Remember, the circumference is directly proportional to the radius of the circle. So, if you have the radius, you can use the formula C = 2πr to find the circumference.
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Consider an airplane flying with a velocity of 42 m/s at a standard altitude of 3 km. At a point on the wing, the airflow velocity is 88 m/s. Calculate the pressure at this point. Assume incompressible flow. Given: p _1 =7.01×10^4 N/m^2 and rho=0.909kg/m^3 . The pressure at a point on the wing is ×10 ^4 N/m^2
Answers
An airplane is flying with a velocity of 42 m/s at a standard altitude of 3 km. At a point on the wing, the airflow velocity is 88 m/s. The pressure at the point on the wing is \(P = 6.96 * 10^4 N/m^2\).
To calculate the pressure at a point on the wing, we can use Bernoulli's equation, which relates the pressure, velocity, and density of a fluid in steady, incompressible flow.
The equation is as follows:
P + 1/2 * ρ * \(V^2\) = constant
where P is the pressure, ρ is the density of the fluid, and V is the velocity of the fluid.
Given:
\(P_1 = 7.01 * 10^4 N/m^2\) (pressure at standard altitude)
ρ = \(0.909 kg/m^3\) (density of the fluid)
\(V_1 = 42 m/s\) (velocity of the airplane)
\(V_2 = 88 m/s\) (velocity at the point on the wing)
To find the pressure at the point on the wing, we can use Bernoulli's equation for the standard altitude and the point on the wing, and then solve for P:
\(P_1 + 1/2\) * ρ * \(V_1^2\) = \(P + 1/2\) * ρ * \(V_2^2\)
Substituting the given values:
\(7.01 * 10^4 + 1/2 * 0.909 * 42^2 = P + 1/2 * 0.909 * 88^2\)
Simplifying the equation:
\(7.01 × 10^4 + 1/2 * 0.909 * 1764 = P + 1/2 * 0.909 * 7744\)
7.01 × 10^4 + 804.906 = P + 3526.242
\(P + 4329.148 = 7.01 *10^4\)
\(P = 7.01 * 10^4 - 4329.148\)
\(P = 6.96 * 10^4 N/m^2\)
Therefore, the pressure at the point on the wing is \(P = 6.96 * 10^4 N/m^2\)
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PLS HELP MEH!!!!
Sound travels fastest in
a) air
b) water
c) glass
d) diamond
WILL MARK BRAINLIEST IF ANSWER
Answers
Answer:
hope this helps
Explanation:
Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids
so your answer would be B.
The half life of carbon-14 is 5730 years. How old is a bone if it presently contains 0.3125 g of carbon-14, but it was estimated to have originally contained 80 g of carbon-14?
Answers
The age of the bone is 45840 years.
We'll begin by calculating the number of half-lives that has elapsed.
Amount remaining (N) = 0.3125 g
Initial amount (N₀) = 80 g
Number of half-lives (n) =?N × 2ⁿ = N₀
0.3125 × 2ⁿ = 80
Divide both side by 0.3125
2ⁿ = 80 / 0.3125
2ⁿ = 256
2ⁿ = 2⁸
n = 8Thus, 8 half-lives has elapsed
Finally, we shall determine the age of the bone.
Half-life (t½) = 5730 years
Number of half-lives (n) = 8
Time (t) =?t = n × t½
t = 8 × 5730
t = 45840 yearsTherefore, the age of the bone is 45840 years.
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Please tell me if this is Newton's first law, second, or third law of motion. There can be more than one of the same answer very desperate to pass science!
Answers
Answer: Hope This Helps!
Explanation:
1: Newton’s first law of motion can explain how a magician pulls a tablecloth from underneath the dishes. A negligible horizontal force is applied during the process. As per Newton’s first law of motion, the dishes and glasses remain in their state of motion (rest); as a result, they remain undisturbed.
2: Newton's First Law of Motion is defined as "An object at rest and an object in motion will stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force."In soccer, when the soccer ball is in the soccer field and it is not moving, that means that it is at rest and there is no force acting upon it. When there is a person that is ready to play soccer and wants to kick the ball and play, then the unbalanced force would be the power from the person's foot.
3: Newtons third law can explain, as the cannonball is pushed forwards by the expanding high-pressure gases created by the exploding gunpowder, it pushes back on these gases. The gases push back on the cannon itself, causing it to roll backwards. Alternative answer: the cannon pushes forward on the cannonball. the reaction force is the cannonball pushing backwards on the cannon.
1.12kg ball rolls forward with a net acceleration of 1.11ms2. What is the net force on the ball?
Answers
Explanation:
→ Force = Mass × Acceleration
→ F = (1.12 × 1.11) N
→ F = 1.2432 N
Which would make a better reflector, a piece of metal or a piece of wood? Explain why.
Answers
A piece of metal would make a better reflector than a piece of wood because metals are good conductors of electricity.
A piece of metal is a better reflector compared to wood because it has a much higher conductivity, which results in a higher reflectivity. Metals have free electrons that are not bound to individual atoms, allowing them to respond to electromagnetic waves and reflect them back. Wood, on the other hand, is an insulator, meaning it does not conduct electricity or reflect electromagnetic waves as efficiently as metal.
Additionally, metal surfaces are usually smooth and flat, which allows them to reflect light or electromagnetic waves more efficiently, as the wave front remains more organized and less dispersed. Wood surfaces, on the other hand, tend to be rough and irregular, which can scatter the incoming light or electromagnetic waves, reducing their reflectivity.
In conclusion, metal is a better reflector than wood because of its higher conductivity, ability to respond to electromagnetic waves, and smoother surface.
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according to the second law of thermodynamics what property do natural processes tend to increase
Answers
Answer:Entropy can be thought of as a measure of the dispersal of energy. It measures how much energy has been dispersed in a process. The flow of any energy is always from high to low. Hence, entropy always tends to increase.
Explanation:
The engine of the car develops a driving force of 4000N. Air resistance also acts on the car, with a force of R. If the car has a mass of 1000kg, and is accelerating at 1.5m/s^2, calculate the magnitude of R.
Answers
Answer:
R = -2500N
Explanation:
Use formula ΣF = Ma. We can split the Net Force into two parts: Fe - Ff = Ma.
Fe is the force developed by the engine: 4000N
Ff (R) is the air resistance projected on the vehicle. This is the value we're looking for.
Mass: 1000kg
Acceleration: 1.5m/s^2
Next, just plug in the values and solve.
▪4000N - Ff = (1000kg)(1.5m/s^2)
▪Ff = 1500N - 4000N
▪Ff = -2500N
R = -2500N.
The air resistance acting on the car is R = -2500N.
I need help please :((((((
Answers
Suppose you walk across a carpet with socks on your feet. When you touch a metal door handle, you feel a shock because, c. Excess negative charges build up in your body while walking across the carpet, then jump when attracted to the positive charges in the door handle.
When you walk across a carpet with socks on your feet, the friction between the carpet and your socks causes the transfer of electrons. Electrons are negatively charged particles. As you move, the carpet rubs against your socks, stripping some electrons from the atoms in the carpet and transferring them to your socks. This results in your body gaining an excess of negative charges.
The metal door handle, on the other hand, contains positive charges. When you touch the metal door handle, there is a sudden flow of electrons from your body to the door handle. This movement of electrons is known as an electric discharge or a static shock. The excess negative charges in your body are attracted to the positive charges in the door handle, and this attraction causes the sudden discharge of electrons, resulting in the shock that you feel.
It's important to note that the shock occurs due to the difference in charges between your body and the metal door handle. The friction between your socks and the carpet allows for the buildup of static electricity, and the shock is a result of the equalization of charges when you touch the metal object. Therefore, Option E is correct.
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Circuits will often have multiple resistors. In the diagram, a simple circuit is shown. To determine the total resistance R,
you add the two resistors together. What is the current in this circuit?
Answers
The resistors are connected in series. Then the total resistance is their sum that is 5 Ω. Using Ohm's law, the current is voltage divided by resistance. Thus, for a voltage of 10 V the current through the circuit is 2 A.
What is Ohm's law ?Ohm's law states that, the voltage across a circuit is the product of the current through the circuit and resistance over it.
i.e, V = IR.
The total resistance through the circuit = R1 + R2 (because they are connected in series.)
R1 = 2 ohms and R2 is 3 ohms.
thus R = 5 Ω.
Given that V = 10 V
then current I = V/R
I = 10 V/ 5Ω
= 2 A.
Therefore, the current through the given circuit is 2 A.
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Which of the following features is correct for High Voltage DC transmission? a) High Current b) Low Voltage c) High Voltage Regulation d) High Voltage
Answers
High Voltage DC (HVDC) transmission is the transmission of high-voltage electric power using direct current. This technology is utilized as a supplement or an alternative to alternating current (AC) transmission systems, which are typically utilized at lower voltages and shorter distances. HVDC transmission offers a number of benefits, including lower losses over long distances and reduced environmental impact.
One of the major features of HVDC transmission is high voltage.High voltage is a crucial feature for HVDC transmission. High voltage levels (typically in the range of 200 kV to 800 kV) enable long-distance transmission of power with low losses. This is due to the fact that at high voltages, the current required to deliver a specific quantity of power is lower.
As a result, lower current levels result in lower resistive losses, which are proportional to the square of the current. As a result, HVDC transmission systems are more efficient over long distances and can deliver more power than AC transmission systems at similar voltages. So, the correct option is d) High Voltage.
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What is Heat engine?
Answers
Answer:
An engine made of heat!
Okay actual answer, A heat engine is a mechanical energy converter that transforms heat or thermal energy to mechanical energy.
The y-intercept of a position-time graph of an object gives the average velocity of the object. Is this true or false?
Answers
The position-time graph gives the position of an object at any instant of time. The y-intercept gives the position of the object at the instant when the time is zero. That is, the y-intercept gives the initial position of the object.
Thus the given statement is false.
We are given that angle aob is a central angle of circle o and that angle acb is a circumscribed angle of circle o. we see that ao ≅ bo because . we also know that ac ≅ bc since . using the reflexive property, we see that . therefore, we conclude that △aco is congruent to △bco by the .
Answers
The side AO ≅ side BO because all radii of the same circle are congruent and equal. We also know that AC ≅ BC since tangents to a circle intersecting at a point are congruent. Using the reflexive property, we see that side CO is congruent to side CO. The △ACO and △BCO are congruent by the SSS congruency theorem.
Point O is the center of the circle, and AO and BO are both radii of the circle. Thus, it means that AO ≅ BO because; All radii of the same circle are congruent and equal.
Since AO and BO are equal, it means that since point C is the intersection point of tangents from points A and B, then we can say that;
AC ≅ BC because; tangents to a circle that intersects are congruent.
Reflexive property shows that the length of a side is congruent to itself. In △ACO and △BCO, we see that they share a common side which is CO. Thus, CO is congruent to side CO.
From the above conclusions we have;
AO ≅ BO
AC ≅ BC
CO ≅ CO
This means all three corresponding sides of both △ACO and △BCO are congruent. Thus, we can conclude that;
△ACO is congruent to △BCO by the SSS Congruency theorem.
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The image of the question is given in the attachment.
The correct question is given below-
∠AOB is a central angle and ∠ACB is a circumscribed angle given to you to prove that △ACO ≅ △BCO.Fill in the blanks.
We are given that angle AOB is a central angle of circle O and that angle ACB is a circumscribed angle of circle O. We see that AO ≅ BO because ____
We also know that AC ≅ BC since ___
Using the reflexive property, we see that ____
Therefore, we conclude that △ACO is congruent to △BCO by the _____
which type of holes allows the head of a fastener to rest on a flat surface below the outer surface of the part
Answers
When he head of a fastener to rest on a flat surface below the outer surface of the part, creation of counterboring occurs that results in the flat-bottom hole.
Counterbore generally enlarges the opening of hole, such that a socket-head screw can fit flush with the surface of the part.
in practice, counterbore are in use for single purpose.
Meanwhile, countersink is sink shaped hole that cut into laminate.
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A soccer ball takes 20 s to roll 10 m. What is the average speed of the soccer ball.
Answers
Explanation:
velocity is distance divided by time.
so
the average speed of the ball is 10m/20s
= 0.5 m/s
Which requires more work to do, using a force to lift a 50 kg. rock, 2 meters or lifting a 25 kg. rock, 4 meters? (1 kilogram=10 newtons)
Answers
Given data:
Mass of rock 1;
\(m_1=50\text{ kg}\)Height rock 1 lifted;
\(h_1=2\text{ m}\)Mass of rock 2;
\(m_2=25\text{ kg}\)Height rock 2 lifted;
\(h_2=4\text{ m}\)The work done in lifting the rock is given as,
\(W=mgh\)Here, m is the mass of the rock, g is the acceleration due to gravity (g=10 m/s²) and h is the height the rock lifted.
The work done in lifting rock 1 is given as,
\(W_1=m_1gh_1\)Substituting all known values,
\(\begin{gathered} W_1=(50\text{ kg})\times(10\text{ m/s}^2)\times(2\text{ m}) \\ =1000\text{ J} \end{gathered}\)The work done in lifting rock 2 is given as,
\(W_2=m_2gh_2\)Substituting all known values,
\(\begin{gathered} W_2=(25\text{ kg})\times(10\text{ m/s}^2)\times(4\text{ m}) \\ =1000\text{ J} \end{gathered}\)On comparing the work done in lifting rock 1 and 2 we conclude that,
\(W_1=W_2=1000\text{ J}\)Therefore, the same amount of work is done in lifting a 50 kg rock by 2 meters and lifting a 25 kg rock by 4 meters.