Use evidence and scientific reasoning to explain why the reading on the balance increased as Magnet 2 was lowered towards Magnet 1. Remember that Magnet 1's North pole was facing upwards while resting on the balance. In your response, be sure to describe the magnetic field interactions and the orientation of the magnetic poles for each magnet

A wedge is like a ramp that can work while in motion.

As a tool for raising or lowering a load, an inclined plane, also referred to as a ramp, is a flat supporting surface that is tilted at an angle from the vertical direction with one end higher than the other. One of the six traditional simple machines that Renaissance scientists defined is the inclined plane.

Heavy loads are transported over vertical obstacles using inclined planes. Examples include a ramp used to load cargo into a truck, a pedestrian ascending a ramp, or an automobile or train ascending a grade.

Less force is needed to lift an object up an inclined plane than to lift it straight up, but the distance travelled is greater. Hence, a wedge is like a ramp that can work while in motion.

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Answer:

When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.

The solution is (v, u) = (- 585.709, 593,034). Please notice that the value of v only means that the direction of the real vector is antiparallel to the supposed one.

According to the definition of vector sum and vectors in rectangular form, we must solve the following vector equation:

(0, 0) = 205 · (cos 23°, - sin 23°) + v · (- cos 75°, sin 75°) + u · (- cos 55°, - sin 55°)

(0, 0) = (188.703, 80.100) + v · (- 0.259, 0.966) + u · (- 0.574, 0.819)

(- 188.703, - 80.100) =  v · (- 0.259, 0.966) + u · (- 0.574, 0.819)

Then, we must solve the following system of linear equations:

- 0.259 · v - 0.574 · u = - 188.703

0.966 · v + 0.819 · u = - 80.100

The solution is (v, u) = (- 585.709, 593,034). Please notice that the value of v only means that the direction of the real vector is antiparallel to the supposed one.

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Answer:

I'm terrible at explaining so here's a screenshot

- Ripper

Explanation:

The mass of the truck is 12,974.4kg .

As a measure of inertia, which is a fundamental characteristic of all matter, mass is used in physics. Effectively, it is the resistance a body of matter offers to a change in its speed or position as a result of the application of a force.

Measures a substance's resistance to acceleration in physics. A measure of an object's mass is roughly equivalent to counting the atoms that make up the object. The kilogram serves as the fundamental mass unit. Mass multiplied by the gravitational acceleration equals weight.

50km/h =50×5/18 m/s= 13.88 = 13.9

momentum (p)=180,345 kg.m/s

P=mv

180,345= m X 13.9

m = 180345/13.9

m = 12,974.46

m = 12,974.4

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Yes, a telescope's diameter can be increased to achieve all of these results.

The telescope can gather more light by expanding its diameter, which makes it simpler to observe faint objects. The telescope's resolving power is also improved by the larger diameter, which enables it to resolve minute details with greater accuracy. The telescope can create images with higher levels of magnification with more light and better resolving power. As a result of different light wavelengths being focused at different spots, chromatic aberration—which is another effect of greater diameter—can also rise.

An optical device called a telescope is used to magnify distant objects, enabling us to view distant galaxies, planets, stars, and other astronomical objects. In order to gather light and create an image, telescopes come in a wide variety of sizes and designs and employ a variety of lenses and mirrors. Terrestrial items like birds and trees can also be seen through telescopes. Astronomers and researchers utilise telescopes, as do amateur astronomers who seek to study the night sky.

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Efficiency of a system can never be greater than 100% as it is a ratio of the output work to the input work. In a situation where the efficiency is greater than 100%, this suggests that the output work is greater than the input work, which is impossible.

Calculation of the work done on the bucket of water The work done by the hand crank, W = Fd, where F is the force used to lift the bucket, and d is the distance over which the force is applied. The work done on the bucket is given by the equation W = mgΔh, where m is the mass of the bucket and water, g is the acceleration due to gravity, and Δh is the height the bucket is lifted. To determine the efficiency of the system, we must first calculate the work done on the bucket and then calculate the work done by the hand crank. To do so, we use the following equations:

The calculated efficiency is 196.61%, which is greater than 100%. However, this result is incorrect because it violates the first law of thermodynamics, which states that energy cannot be created or destroyed. As a result, the calculated value of efficiency is impossible. The error in the calculation is most likely due to the incorrect measurement of one of the parameters used in the calculation.

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Answer:

The Nucleus

Explanation:

Protons and Neutrons are found in the nucleus of an atom.

Answer:

Nucleus

Explanation:

Explanation:

A. Something that occupies a volume of space and also has mass

The velocity of the sled after one minute is 10.6 m/s.

The velocity of the sled after one minute is calculated by applying Newton's second law of motion and formula instantaneous power as shown below.

P = Fv

where;

P = mav

P = m (v/t)v

P = mv²/t

Pt = mv²

v² = Pt / m

v = √ ( Pt / m )

where;

The velocity of the sled after one minute is calculated as;

v = √ ( 187.5 x 60 / 100 )

v = 10.6 m/s.

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Answer:

Mass, acceleration

Explanation:

Force= Mass (kg) *acceleration (m/s^2)

Answer:

The final velocity of the second player is 6.1 m/s.

Explanation:

The final velocity of the second player can be calculated by conservation of linear momentum (p):

\( p_{i} = p_{f} \)  

\( m_{a}v_{a_{i}} + m_{b}v_{b_{i}} = m_{a}v_{a_{f}} + m_{b}v_{b_{f}} \)  (1)

Where:

\(m_{a}\): is the mass of the first football player = 110 kg

\(m_{b}\): is the mass of the second football player = 90 kg

\(v_{a_{i}}\): is the initial velocity of the first football player = 5.0 m/s

\(v_{b_{i}}\): is the initial velocity of the second football player = 0 (he is at rest)

\(v_{a_{f}}\): is the final velocity of the first football player = 0 (he stops after the impact)

\(v_{b_{f}}\): is the final velocity of the second football player =?

By solving equation (1) for \(v_{b_{f}}\) we have:

\( 110 kg*5.0 m/s + 0 = 0 + 90 kg*v_{b_{f}} \)

\( v_{b_{f}} = \frac{110 kg*5.0 m/s}{90 kg} = 6.1 m/s \)

Therefore, the final velocity of the second player is 6.1 m/s.

I hope it helps you!

Lever arm, noun (plural lever arms (physics) the separation between the axis and the force application point.

What else do we mean by a lever arm image,

Class 3 levers include bent arms. Elbow serves as the pivot, and the forearm serves as that of the lever arm. The forearm is bent by the biceps muscle against the gravity of the wrist and any load that the hand may be holding.

In a segment of reinforced concrete, the lever arm is the distance between the couple's lines of action that provide compressive and tensile force.

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\(\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}\)

Actually Welcome to the Concept of the Force and Power.

Since, according to the Newton's law,

Force = mass * Acceleration.

hence, here

Force = 142 N, accelration = 22.75 m/s2

hence, mass = 142/22.75

===> Mass = 6.24 Kg

hence the mass of the shot is 6.24 Kg

Momentum is a product of the mass and velocity of particles in motion while impulse is the rate of change of the momentum of particles/objects when a force acts on the object.

The impulse of the collision in system A is twice the impulse of the collision in system B

Impulse is given as J = F.dt

In case of impulse 1,

it is F(1-0.5) = 4* 0.5 = 2 Ns

In case of impulse 2,

it is = 2(2.5 - 1.5) = 2Ns

We saw that, both the impulses are calculated to be 2Ns.

Therefore, both the impulses in the graph are same.

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Answer:

C

Explanation:

The composition of a comet compared with that of the Sun is C "Comets are made of ice and dust, while the Sun is made of gas".

Comets are small, icy bodies that originate from the outer solar system and are composed mainly of frozen water, carbon dioxide, methane, and ammonia, along with dust and small rocky particles. When a comet approaches the Sun, its icy material vaporizes, creating a glowing coma (a hazy atmosphere around the nucleus) and a tail that points away from the Sun due to the solar wind.

On the other hand, the Sun is a giant ball of hot, glowing gas, composed mainly of hydrogen (about 73% of its mass) and helium (about 25% of its mass), with trace amounts of other elements like oxygen, carbon, and iron. The Sun generates energy through nuclear fusion reactions in its core, which convert hydrogen into helium and release a tremendous amount of energy in the process.

Therefore, the composition of a comet is quite different from that of the Sun. While both objects contain some water (in the form of ice for comets and vapor for the Sun), comets are predominantly made of ice and dust, while the Sun is predominantly made of gas, with only a small amount of solid material in its core.

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The difference between actual overhead incurred and overhead budgeted for the standard hours allowed: Overhead variance.

The hours that should have been worked for the units produced: Standard hours.

The difference between the actual quantity times the actual price and the actual quantity times the standard price: Materials price variance.

The difference between total actual costs and total standard costs: Total cost variance.

The difference between actual hours times the standard rate and standard hours times the standard rate: Labor rate variance.

Predetermined unit costs that are measures of performance: Standard costs.

The difference between normal capacity hours and standard hours allowed times the fixed overhead rate: Volume variance.

Standards based on an efficient level of performance that are attainable under expected operating conditions: Normal standards.

Standards based on the optimum level of performance under perfect operating conditions: Ideal standards.

A double-entry system of accounting in which standard costs are used in making entries and variances are recognized in the accounts: Standard costing.

Overhead variance represents the difference between the actual overhead incurred and the overhead budgeted for the standard hours allowed.

Standard hours refer to the hours that should have been worked for the units produced.

Materials price variance calculates the difference between the actual quantity times the actual price and the actual quantity times the standard price.

Total cost variance indicates the difference between total actual costs and total standard costs.

Labor rate variance measures the difference between actual hours times the standard rate and standard hours times the standard rate.

Standard costs are predetermined unit costs that serve as measures of performance.

Volume variance represents the difference between normal capacity hours and standard hours allowed times the fixed overhead rate.

Normal standards are based on an efficient level of performance that is attainable under expected operating conditions.

Ideal standards are based on the optimum level of performance under perfect operating conditions.

Standard costing is a double-entry system of accounting that utilizes standard costs in making entries and recognizes variances in the accounts.

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Answer:

Explanation:

Yes i will agree with the driver and wear safety belts because according to the newtons first law of motion it states that " every body continues to be in its state of rest or uniform motion in a straight line unless it is compledd by some external effort to change that state".So according to this if a bus moves our body also moves beacuse effort is applied when in the moving bus.

acceleration=final velocity - initial velocity/time taken

=(20-10 )/20

=10/20

=0.5 m/s

Answer:

system

Explanation:

they are all put together as one, and they are a group

Answer:

Ofc! Uhm, The cause of that increase would be (C) As it rises.

Explanation:

I hope this helped a little- I'm sure that I won't be 100% correct as it is 11 pm for me, haha. Nya~ good luck on the test!

Answer:

Genotypes are determined by tests. Genotype and phenotype sound the same but mean different things. The phenotype is determined by your genotypes and by your genes or traits, like hair color or type, eye shape and color, body and height. Were all unique, even identical twins, based on the way they look or act. Your uniqueness is based on your genetic make-up, that we inherited from our parents.

Is this better?

Brainliest please!

The magnitude of the momentum of the two dice system is 0.003 kg m/s.

Momentum is a measure of an object's motion, defined as the product of its mass and velocity. It represents the amount of motion an object has, and the direction of that motion. In physics, momentum is a conserved quantity, meaning that the total momentum of a system remains constant unless acted upon by an external force. This is reffered to as the law of conservation of momentum. The greater an object's mass and velocity, the greater its momentum.

The magnitude of the momentum of an object can be calculated by multiplying its mass by its velocity.

For the blue die:

mass = 6.5 g = 0.0065 kg (converted from grams to kilograms)

velocity = 12 m/s

momentum = 0.0065 kg × 12 m/s = 0.078 kg m/s

For the green die:

mass = 7.5 g = 0.0075 kg (converted from grams to kilograms)

velocity = -10 m/s (opposite direction)

momentum = 0.0075 kg × -10 m/s = -0.075 kg m/s

The total momentum of the two dice system can be found by adding the momenta of each individual die:

total momentum = 0.078 kg m/s + (-0.075 kg m/s) = 0.003 kg m/s

So, the magnitude of the momentum of the two dice system is 0.003 kg m/s.

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Answer: 3 g*m/s

Explanation: another person explained it, but gave the wrong answer. i wish i knew what they did wrong.

To solve this problem, we can use the conservation of momentum principle which states that the total momentum before and after an event is always conserved.

Before the swimmer dives off the raft, the total momentum of the system (raft + swimmer) is:
Momentum before = Mass of raft x velocity of raft
Momentum before = 500 kg x 0 m/s (since the raft is stationary)
After the swimmer dives off the raft, the total momentum of the system (raft + swimmer) is:
Momentum after = (Mass of raft x velocity of raft) + (Mass of swimmer x velocity of swimmer)
Momentum after = 500 kg x v + 75 kg x 4 m/s
where v is the velocity of the raft after the swimmer dives off.
Since momentum is conserved, we can equate the two expressions:
Momentum before = Momentum after
500 kg x 0 m/s = 500 kg x v + 75 kg x 4 m/s
Solving for v, we get:
v = - (75 kg x 4 m/s) / 500 kg
v = -0.6 m/s
The negative sign indicates that the raft moves in the opposite direction of the swimmer's jump. Therefore, the raft speed after the swimmer dives off is 0.6 m/s in the opposite direction.

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Answer:

2500 Newtons

Explanation:

If force equals the mass × acceleration then all should be quite simple

25kg is the mass of your car

100 m/s/s is the acceleration of you car

25kg • 100m/s/s = 2500 Newtons

Answer:

\(\boxed {\boxed {\sf 2500 \ Newtons }}\)

Explanation:

The formula for force is the product of mass and acceleration.

\(F=m*a\)

The mass of the car is 25 kilograms and the acceleration is 100 meters per square second. So,

\(m= 25 \ kg \\a= 100 \ m/s^2\)

Substitute the values into the formula.

\(F= 25 \ kg * 100 \ m/s^2\)

Multiply.

\(F= 2500 \ kg*m/s^2\)

\(F= 2500 \ N\)

The force of the car is 2500 Newtons.

They are important because numerous serve as areas where water vapour can condense.

The transformation of water vapour into liquid is known as condensation. The process is the opposite of evaporation, in which liquid water turns into a vapour. Either the air is chilled to its dew point or it gets too saturated with water vapour to retain any more water, causing condensation to occur.

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Answer:

it's answer is B

A planet is round because of gravity. A planet's gravity pulls equally from all sides. Gravity pulls from the centre to the edges like the spokes of a bicycle wheel. This makes the overall shape of a planet a sphere, which is a three -dimensional circle

Hope it helps you

Answer:

take another pic i cant see it

Explanation:

Answer:

reaches a higher temperature is LEAD.

Explanation:

In this exercise we have a calorimeter problem, in which the initial energy is absorbed by each body

       E₀ = m c_e ΔT

where E₀ = 5000 J

       ΔT = \(\frac{E_o}{m \ c_e}\)

the specific heats for each material are tabulated

      material   c_e (J / kg ºC)

     glass           837

     copper       387

     lead            128

     gold            129

As they indicate that the mass of the materials is the same, the one with the greatest temperature difference is the one with the least specific heat, consequently the one that reaches a higher temperature is LEAD.

let's calculate for a mass of 1 kg

glass

       ΔT = 5000/(1 837)

       ΔT = 6ºC

Lead

       ΔT = 5000/(1 128)

       ΔT = 39.1º

GOLD

       ΔT = 5000/(1 129)

       ΔT = 38.8º C