Let G be the universal gravitational constant and mp be the mass of the planet a satellite is orbiting. Which equation could be used to find the velocity of the satellite if it is placed in a low Earth orbit?

Let G be the universal gravitational constant and mp be the mass of the planet a satellite is orbiting. Which equation could be used to find the velocity of the satellite if it is placed in a low Earth orbit?

Answer:

Salt water is more dense than freshwater.

The boat sinks lower into the water in a freshwater lake than in the ocean because, salt water is more dense than freshwater.

Density of a substance is defined as the mass per unit volume of the substance.

Here,

Mason noticed that his boat sinks lower into the water in a freshwater lake than in the ocean.

This is because of the variation in density between the two regions.

The ocean water will be more denser than the freshwater lake because, the ocean contains salt water which has a higher density than that of freshwater.

Unlike salt water, fresh water does not contain any minerals or ions, so that having a lesser density. Therefore the boat will be less sink in the freshwater lake than in the oceans.

But the freshwater can become salt water when it enters into the land containing, minerals and ions.

Hence,

The boat sinks lower into the water in a freshwater lake than in the ocean because, salt water is more dense than freshwater.

To learn more about density, click:

https://brainly.com/question/29775886

#SPJ2

The answer is "does not change."

In this context, "width" is usually interpreted as the dimension perpendicular to the direction of motion, while "length" is parallel to it.

So when an object moves at relativistic speeds, its length contracts along the direction of motion, while its width and height (perpendicular to the direction of motion) are not affected.

"Dimension perpendicular" refers to a dimension that is orthogonal or at right angles to another dimension.  In physics, it is common to describe the three dimensions of space as x, y, and z axes, which are all perpendicular to each other.

In general, perpendicular dimensions are independent of each other and do not affect one another. Therefore, the width of the object as measured by a stationary observer does not change.

To know more about relativistic speeds click here:

https://brainly.com/question/29569445#

#SPJ11

Answer:

going backwards message me if u have any problems

Answer:

slowing down

Explanation:

the opposite of positive is negative right?

so negative acceleration is deceleration

hope i helped!

Answer:

W = M g = 150 kg * 9.81 m/s^2 = 1470 N

You were only given 3 significant figures in the question.

The weight of the box is 1471.5 N.

In science and engineering, an object's weight is defined as the force of gravity acting on the thing. Weight is sometimes described as a vector quantity in common textbooks, denoting the gravitational force acting on the item.

Given parameters:

Mass of the box, m = 150 kg.

Acceleration due to gravity, g = 9.8 m/s².

Hence, weight of the box is, W = mg = 150 kg × 9.81 m/s² =1471.5 N.

SO, weight of the  box with a mass of 150 kg on Earth is 1471.5 N.

Learn more about weight here:

https://brainly.com/question/10069252

#SPJ2

Answer:

:DDDDD thanks foooooooor joinin'

Explanation:

Answer:

D carries water from the roots to the leaves.

is the answer.

Explanation:

Xylem is the specialised tissue of vascular plants that transports water and nutrients from the plant–soil interface to stems and leaves, and provides mechanical support and storage.

Answer:

D carries water from the roots to the leaves

Explanation:

have a nice day

The class of laser that causes the greatest potential hazard is Class 4.

The individual who is fully responsible for the laser in his or her lab is the Laser Safety Officer (LSO) or the Principal Investigator (PI) of the lab. They are responsible for implementing and enforcing laser safety protocols, conducting risk assessments, providing training to personnel, and ensuring compliance with applicable regulations.

The proper immediate response to a laser accident involving an eye injury is as follows:

Ensure the safety of the affected person and others in the area by turning off the laser immediately.

If possible, assist the injured person to a safe area away from the laser beam.

Encourage the injured person to keep their eyes closed to minimize further damage.

Seek immediate medical attention for the injured person. Call emergency services or go to the nearest emergency room.

Provide any necessary information to medical professionals regarding the type of laser involved, laser parameters, and any known hazards associated with the laser.

Report the incident to the appropriate authorities within the organization, such as the Laser Safety Officer or supervisor.

learn more about greatest potential hazard from this link.

https://brainly.com/question/31841337

#SPJ11

When the energy of the singular vehicles are known, the after-crash not entirely set in stone by essentially isolating force by mass (v=p/m).

"The two-car crash has the appearance of just one car hitting a wall at 50 mph, but the energy it transfers is transferred to twice as much mass. "The graphic that went along with that is here.

The car's initial speed, u, is 20 m/s; its final speed, v, is 0 m/s. The time taken is 150 ms, or 0.15 seconds. To calculate the car's deceleration, use the formula v=u + at.

0=20 +a *0.15

a=-20/0.15

a=-133.33m/s{2}

The pulling force experienced by a person weighing 72.4 kilograms, F = ma F=ma F=72.4*133.33 F=9652.1N, necessitates an equal restraining force to keep the person firmly seated. F=9652.1N

Number of People = Restraining Force/Average Adult Weight of 175 Pounds= 12.406 out of 9652.1= 12 People

Learn more about car's initial speed here:

https://brainly.com/question/5361228

#SPJ4

Balanced force does a window washer want acting on him when trying to keep the same position.

What is force?
Force is an external influence that is capable of changing the motion of a body, either by a push or pull, or by causing a change in the shape or direction of the body. Force is a vector quantity, meaning it has both magnitude and direction. It can be a result of either physical contact, like pushing or pulling, or a non-contact force, such as gravity, magnetism, or electricity. Force is a fundamental concept in physics and its effects are studied in numerous fields, from mechanics to thermodynamics. Force can be used to move objects, cause objects to change shape, or cause objects to accelerate. It is a powerful tool for understanding physical phenomena.

To learn more about force
https://brainly.com/question/12785175

#SPJ1

Answer

An object's temperature is the best approximation of the kinetic energy of the particles. When we measure an object's temperature, we measure the average kinetic energy of the particles in the object. The higher the temperature, the faster the molecules of the substance move, on the average

The measure of the warmth or coldness of a substance or an object with reference to some standard value is termed as temperature.

It is a measure of the coldness or hotness expressed in terms of any of the many arbitrary scales and suggesting the direction in which the heat energy will flow spontaneously, that is, from a hotter body to a colder body.

Similar to pressure or density, temperature is an intensive property, which is independent of the quantity of matter being considered.

Thus, temperature refers to a physical quantity, which expresses the extent of coldness or hotness of a substance.

Find out more information about temperature here:

https://brainly.com/question/4176210

Answer:

3s is longer

2s is shorter

Explanation:

A pendulum is made up of a ball which is referred to as a mass attached to a string which is usually massless.

A period is one swing of the pendulum over and back.

Two pendulums with the same length but different masses would have the same period

When two pendulums with different lengths, the pendulum with the longer length would have a longer frequency and thus the longer period while the pendulum with the shorter length wold have the shorter period

a) The particle travelss (2) = -0.17(2)^3 + (2)^2meters during the first 2 seconds. b) The particle travels t = 4 meters during the second 2 seconds.

a) To determine how far the particle travels during the first 2 seconds, we need to calculate the displacement by integrating the velocity function over the interval [0, 2]. Given that the velocity function is v(t) = -0.5t^2 + 2t, we can integrate it with respect to time as follows:

∫(v(t)) dt = ∫(-0.5t^2 + 2t) dt

Integrating the above expression gives us the displacement function:

s(t) = -0.17t^3 + t^2

To find the displacement during the first 2 seconds, we evaluate the displacement function at t = 2:

s(2) = -0.17(2)^3 + (2)^2

Calculating the above expression gives us the distance traveled during the first 2 seconds.

b) Similarly, to determine the distance traveled during the second 2 seconds, we need to calculate the displacement by integrating the velocity function over the interval [2, 4]. Using the same displacement function, we evaluate it at t = 4 to find the distance traveled during the second 2 seconds.

In summary, by integrating the velocity function and evaluating the displacement function at the appropriate time intervals, we can determine the distance traveled by the particle during the first 2 seconds and the second 2 seconds.

To know more about particle travels click here:

https://brainly.com/question/30676175

#SPJ11

Answer:

p = 4000 kg-m/s

Explanation:

Given that,

The mass of a truck, m = 200 kg

Speed of the truck, v = 20 m/s

We need to find the momentum of the truck. The formula for momentum is given by :

p = mv

so,

\(p=200\times 20\\\\p=4000\ kg-m/s\)

So, the momentum of the truck is equal to 4000 kg-m/s.

The work done by the force of tension over half of the circle is 98 Joules.

To find the work done by the force of tension over half of the circle, we need to calculate the change in gravitational potential energy of the bucket of water.

The gravitational potential energy (U) of an object is given by the formula U = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the change in height.

In this case, as the bucket of water is rotated vertically in a circle, the change in height (h) is equal to the diameter of the circle, which is 2 times the radius (r). Since the length of the rope is given as 1 m, the radius of the circle is 0.5 m.

The work done by the force of tension is equal to the change in gravitational potential energy, which can be calculated as:

Work = ΔU = mgΔh = mg(2r) = (10 kg)(9.8 m/s^2)(2)(0.5 m) = 98 J

To know more about work done refer to-

https://brainly.com/question/32263955

#SPJ11

Answer:

I = 0.82A

Explanation:

I = W/V

I = 90W/110V

I = 0.82A

Answer:

A)    Net force in the horizontal direction is 19.641 N

B)    Net force in the vertical direction is 20 N

Explanation:

The normal force (20 N) and the weight force (20 N) cancel out.

Next lets find the horizontal and vertical components on the right side of the diagram.

We are given the angle and the hypotenuse.

First lets find the opposite side (vertical component).

\(sin(x)\frac{O}{H}\)

\(O=Hsin(x)\)

\(O=40sin(30)\)

\(O=20\)

Now lets find the adjacent side (horizontal component).

\(cos(x)=\frac{A}{H}\)

\(A=Hcos(x)\)

\(A=40cos(30)\)

\(A=34.641\)

Now we can ignore the 40 N force.

We are left with 1 force in the vertical direction.

So the net force in the vertical direction is 20 N

We are left with 2 forces in the horizontal direction.

We have 1 force of 15 Newtons moving in the left direction.

We also another force of 34.641 Newtons moving to the right.

So the net force in the horizontal direction is 19.641 N.

The weight of the rock on Mars is 5.18 N.

The gravitational potential energy of the rock is indeed  -1.77×10⁷J​

(I) To determine the weight of the rock on Mars, use the formula for weight, which is given by:

Weight = Mass x Acceleration due to gravity

The acceleration due to gravity on Mars can be calculated using the formula:

Acceleration due to gravity = (Gravitational constant x Mass of Mars) / (Radius of Mars)²

Plugging in the given values:

Acceleration due to gravity = (6.67 x 10⁻¹¹ Nm²/kg²) x (6.42 x 10²³ kg) / (3.395 x 10⁶ m)²

= 3.71 m/s²

The weight of the rock can now be calculated as:

Weight = 1.40 kg x 3.71 m/s²

= 5.18 N

(ii) To find the gravitational potential energy of the rock, use the formula:

Gravitational potential energy = -(Gravitational constant x Mass of Mars x Mass of rock) / Distance between the center of Mars and the rock

The distance between the center of Mars and the rock is equal to the radius of Mars, which is given as:

Radius of Mars = 3.395 x 10⁶ m

Plugging in the values:

Gravitational potential energy = -(6.67 x 10⁻¹¹ Nm²/kg²) x (6.42 x 10²³ kg) x (1.40 kg) / (3.395 x 10⁶ m)

= -1.77 x 10⁷ J

Thus, the gravitational potential energy of the rock on Mars is -1.77 x 10⁷J.

Learn more on potential energy here: https://brainly.com/question/15896499

#SPJ1

The distance that a package will travel horizontally during its descent when a plane is flying at 800 miles per hour can be calculated using the following steps is 1600 miles.

Determine the time taken for the package to hit the ground. We know that when an object is dropped from a certain height, it falls under the influence of gravity.

The acceleration due to gravity is 9.8 m/s². The formula for the time taken for an object to fall can be given by:

t = √(2h/g)

where, t is the time taken for the object to fall is the height from which the object was dropped g is the acceleration due to gravity.

We know that the distance traveled by the package horizontally can be given by d = vt

where, d is the distance traveled horizontally by the package v is the velocity of the planet is the time taken for the package to hit the ground.

Thus, the distance is 1600 miles.

Read more about Distance here:

https://brainly.com/question/15172156

#SPJ11

The car must start at a height of approximately 127.55 meters on the hill in order to achieve a speed of 50 m/s at the bottom, assuming it is engineless and resistance-free.

To determine the height on a hill at which an engineless, resistance-free car must start in order to achieve a speed of 50 m/s at the bottom, we can use the principle of conservation of mechanical energy.

According to this principle, the sum of the potential energy and the kinetic energy of an object remains constant in the absence of external forces.

At the top of the hill:

The car has only potential energy (PE) due to its height above the bottom.

At the bottom of the hill:

The car has both potential energy and kinetic energy (KE).

Since the car is engineless and resistance-free, we can neglect any energy losses due to friction or air resistance.

The total mechanical energy (E) at the top of the hill is equal to the total mechanical energy at the bottom of the hill:

Etop = Ebottom

The potential energy (PE) at the top of the hill is given by the formula:

PE = m * g * h

Where m is the mass of the car, g is the acceleration due to gravity, and h is the height of the hill.

The kinetic energy (KE) at the bottom of the hill is given by the formula: KE = (1/2) * m * \(v^{2}\),

Where v is the speed of the car at the bottom.

Therefore, we have:

PEtop = KEbottom

m * g * h = (1/2) * m * \(v^{2}\)

We can cancel out the mass (m) from both sides of the equation:

g * h = (1/2) * \(v^{2}\)

Now, we can solve for the height (h):

h = (1/2) * \(v^{2}\) / g

Substituting the given values:

v = 50 m/s (speed at the bottom)

g = 9.8 m/\(s^{2}\) (acceleration due to gravity)

h = (1/2) * \((50 m/s)^2\) / (9.8 m/\(s^{2}\))

h = 127.55 m

Therefore, the car must start at a height of approximately 127.55 meters on the hill in order to achieve a speed of 50 m/s at the bottom, assuming it is engineless and resistance-free.

To know more about hill here

https://brainly.com/question/29361740

#SPJ4

Answer:

hiiiiiiiiiiiiiiiiii

mm

Answer:

It is called the angle of refraction

Answer:

The maximum range is 300% of the range of the projectile is projected at an angle of 9.74°.

None of the options are correct.

Explanation:

Normally, ignoring air resistance, for projectile motion, the range (horizontal distance travelled) of the motion is given as

R = (u² sin 2θ)/g

where

u = initial velocity of the projectile

θ = angle above the horizontal at which the projectile was launched

g = acceleration due to gravity = 9.8 m/s²

The range is maximum when θ = 45°

R when θ = 45° is

R = (u² sin 90°)/g = (u²/g)

We are then told that this maximum range is 300% of the value obtainable for the range at a particular angle

Maximum range = 3R

(u²/g) = 3(u² sin 2θ)/g

Sin 2θ = (1/3)

2θ = sin⁻¹ (1/3) = 19.47°

θ = (19.47°/2) = 9.74°

Hope this Helps!!!

Answer:

- The force that magnet B pulls on the magnet A is equal to the force that magnet A pull on B. That is , 100N.

-   F'B = 25N

Explanation:

- You have that the magnet A pulls on the magnet B with a force of 100N.

By the third Newton law you have that any force has a reaction, that is, the force that magnet B pulls on the magnet A is equal to the force that magnet A pull on B. That is , 100N.

-  In order to calculate the force, if the distance between magnets is twice, you first take into account that the magnetic force is inversely proportional to the force between magnets, as follow:

\(F_B\ \alpha\ \frac{1}{r^2}\)     (1)

FB: magnetic force between the magnets = 100N

If the distance is twice, you obtain:

\(F_B'\ \alpha\ \frac{1}{(2r)^2}=\frac{1}{4r^2}\\\\F_B'\ \alpha\ \frac{1}{4}F_B\)

The new force is a quarter of the initial force, that is:

\(F_B'=\frac{1}{4}(100N)=25N\)

If the distance is twice the force is a quarter of the initial force.

When two top (T) strips are brought near each other, they will typically repel each other due to their electrical charges. The T strips are usually made of a conductive material,

such as copper or aluminum, which allows them to transfer electrons easily. As a result, when the two T strips come into close proximity, the electrons on the surface of the strips will interact and push away from each other, resulting in a repulsive force.

This force is known as the Coulomb force, and it is the same force that governs the interactions between charged particles.

Overall, the interaction between two T strips is likely to be repulsive due to the electrical charges on their surfaces, and they will not attract or interact in any significant way.

To learn more about : Electrical charges

https://brainly.com/question/2373424

#SPJ11

The reference frame in which the bat is at rest immediately before the collision is the reference frame in which translational (nonconvertible) kinetic energy is greater.

As translational (nonconvertible) kinetic energy is greater when the bat is at rest because when it will be at rest the mass will be more. The translational dynamic energy of a body is rise to one-half the item of its mass and the square of its speed.

The translational kinetic energy depends on movement through space, and for an inflexible body of consistent mass, it rises to the item of half the mass times the square of the speed.

The movement of an unreservedly falling body could be a translational active vitality. Kinetic rangy at a pivoting fan is rotational kinetic energy.

In material science, the dynamic energy of a protest is the vitality that it has due to its movement. It is characterized as the work required to quicken a body of a given mass from rest to its expressed speed.

Having picked up this vitality amid its speeding up, the body keeps up this motor vitality unless its speed changes. The same sum of work is done by the body when decelerating from its current speed to a state of rest.

Learn more about translational kinetic energy at

https://brainly.com/question/13876829

#SPJ4

The kinetic energy of the bullet when it left the gun barrel is 1000J.

We know that ,

K.E. = F d

where, K.E. = kinetic energy

F = force

d = distance

Given, F = 1* 10^4 N

          d = 10cm = 0.1 m

Putting these values in above equation we get,

K.E. = 1000J

So the kinetic energy of the bullet when it left the gun barrel is 1000J.

To know more about kinetics visit:

https://brainly.com/question/15580830

#SPJ4