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10/04/21

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

Calculate the force of Earth's gravity on a spacecraft 12,800 kmkm (2 Earth radii) above the Earth's surface if its mass is 1250 kgkg .

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Ap Physics Physics Physics B Physics C

10/02/21

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below?

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below? (Use conservation of energy and... more

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Ap Physics Physics Physics B Physics C

10/02/21

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s .

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below? (Use conservation of energy and... more

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Ap Physics Physics Physics B Physics C

10/02/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.What were the... more

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Ap Physics Physics Physics B Physics C

10/02/21

What is the minimum work needed to push a 850 -kg car 750 m up along a 9.5 ∘ incline? Ignore friction. Express your answer to two significant figures and include the appropriate units.

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Ap Physics Physics Physics B Physics C

10/02/21

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

Follows • 1

Answers •1

Ap Physics Physics Physics B Physics C

10/02/21

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

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Answers •1

Ap Physics

09/20/21

Some more Physics Questions- I need help!

62) A person jumps out of a fourth story window 18.0 m above a firefighter’s safety net. The survivor stretches the net 1.0 m before coming to rest. (a) What was theaverage decelerationexperienced... more

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Ap Physics

09/20/21

AP Physics Question

The acceleration due to gravity on the Moon is about one- sixth what it is on Earth. If an object is thrown vertically upward on the Moon, how many times higher will it go than it would on Earth,... more

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Ap Physics

09/19/21

ap physics 1 question

When Melony dropped her thermoflask off the top of the Spectrum Parking Structure, the object traveled a vertical distance of h in the first second. In terms of h, how far did the thermoflask... more

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Ap Physics

09/13/21

Physics question

A car is stopped at a red light. Meanwhile, a truck is approaching the stoplight at a constant velocity of 15 m/s, making it just when the light turns green. When the light turns green, the car... more

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Ap Physics

09/08/21

How to Solve Distance Question

A driver with a 0.80-s reaction time applies the brakes, causing the car to have acceleration opposite the direction of motion. Assume the acceleration is equal to -7.0 m/s2.If the car is initially... more

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Ap Physics

09/05/21

physics problems kinematics

Vivian and Meguin, who are both 1.575m tall, are playing around throwing small yellow balls as far as they can. Meguin throws as hard as she can to try and hit Vivian with the ball, who is 4.00... more

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Ap Physics Physics

09/03/21

ap physics 1 problem

'Serah the Terrah' fires a slingshot at a 63.5-degree angle from the horizontal with a speed of 18.5 m/s. If the marble hits a window of Josie's room, 6.80 meters above the slingshot on its way... more

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Ap Physics Physics

09/03/21

AP Physics 1 Projectile Motion Questions

Alex the clown likes bouncing on very large trampolines. If Alex jumps on the trampoline and lands 15.0 meters away after 1.30 seconds, what was the initial angle he left the ground.and... more

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Ap Physics

08/27/21

An object starts at position x = +10 meters. It moves at +5 m/s for 10 seconds then (instantly! magically!) changes its velocity to -10 m/s for the next 10 seconds.

An object starts at position x = +10 meters. It moves at +5 m/s for 10 seconds then (instantly! magically!) changes its velocity to -10 m/s for the next 10 seconds. Draw a graph showing the... more

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Ap Physics Physics

08/19/21

A projectile is fired with an initial speed of 30 m/s at an angle of 60° above the horizontal. The object hits the ground 7.5 seconds later.

1)How much higher or lower is the launch point relative to the point where the projectile hits the ground?2)To what maximum height above the launch point does the projectile rise?3)What are the... more

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Ap Physics Physics

08/19/21

AP Physics Question

Ted is sitting in his lawn chair when Stella flies directly overhead, going southeast at 100 m/s. Five seconds later, a firecracker explodes 200 m east of Ted. What are the coordinates of the... more

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Ap Physics Science Physics Mechanics

08/04/21

The force acting upon the spring to compress it by 3 cm is equal to 20 N. What is the work when compressing the spring

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Ap Physics Science Physics Mechanics

08/04/21

Momentum and kinetic energy

It is known that the momentum of the object is 8 kg*m/s and the kinetic energy is equal to 16 J. What is the mass and velocity of the object?

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Ap Physics Science Physics Mechanics

08/04/21

Physics problem: find work

A sled of mass 10 kg went down from a hill of height 5 m and stopped at the horizontal part of a road. Find the work done when dragging the sled up the hill. Answer is 1000 J

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Ap Physics Science Physics Mechanics

07/30/21

Interesting centre of gravity problem

Tom has cut the right end of a uniform shaft of 40 cm in length. How much and to which direction the center of gravity of the remaining shaft moved? The answer is 20 cm to the left.

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Ap Physics Science Physics Mechanics

07/30/21

Alfred, who weighs 40 kg, is sitting on a sled of mass 10 kg. What is the force the sled is acting upon Alfred

Answer is 400 N downwards

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Ap Physics Physics Physical Science Physics B

07/30/21

Photoelectric effect

When light of sufficient energy hits the cathode, photoelectron are ejected towards the anode. A voltage can be applied so that no current is measured at the ammeter. This is known as stopping... more

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Ap Physics Science Physics Mechanics

07/29/21

Gravitational force between two objects

How will gravitational force between two objects change when one of the objects adds 3 times more mass and moves further 3 times the original distance

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Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below?

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s .

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.

What is the minimum work needed to push a 850 -kg car 750 m up along a 9.5 ∘ incline? Ignore friction. Express your answer to two significant figures and include the appropriate units.

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .

Some more Physics Questions- I need help!

AP Physics Question

ap physics 1 question

Physics question

How to Solve Distance Question

physics problems kinematics

ap physics 1 problem

AP Physics 1 Projectile Motion Questions

An object starts at position x = +10 meters. It moves at +5 m/s for 10 seconds then (instantly! magically!) changes its velocity to -10 m/s for the next 10 seconds.

A projectile is fired with an initial speed of 30 m/s at an angle of 60° above the horizontal. The object hits the ground 7.5 seconds later.

AP Physics Question

The force acting upon the spring to compress it by 3 cm is equal to 20 N. What is the work when compressing the spring

Momentum and kinetic energy

Physics problem: find work

Interesting centre of gravity problem

Alfred, who weighs 40 kg, is sitting on a sled of mass 10 kg. What is the force the sled is acting upon Alfred

Photoelectric effect

Gravitational force between two objects

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