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A driver, traveling at 22.0 m/s, slows down her car and stop…

A driver, traveling at 22.0 m/s, slows down her car and stops. What work is done by the friction force against the wheels if the mass of the car is 1500 kg?

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If you push a car with a force F, the force that the car exe…

If you push a car with a force F, the force that the car exerts on you:

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The maximum speed a car can round an 80-m radius horizontal…

The maximum speed a car can round an 80-m radius horizontal curve without slipping is 20 m/s. How fast can this car round a 320-m radius curve on the same road?

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A croquet mallet balances when suspended from its center of…

A croquet mallet balances when suspended from its center of mass, as shown in the figure below. If the mallet is cut in two at its center of mass, how do the masses of the two pieces compare? 

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A 1-kg block starts sliding up a frictionless 30o inclined p…

A 1-kg block starts sliding up a frictionless 30o inclined plane with an initial velocity of 4.00 m/s. How far does the block go up the ramp before stopping?

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Suppose that 56 J of work was done to increase the kinetic e…

Suppose that 56 J of work was done to increase the kinetic energy of a 1.90-kg mass. If the object’s initial velocity was zero, what is its speed now?

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A rock is thrown at 50 degrees above the horizontal. As it r…

A rock is thrown at 50 degrees above the horizontal. As it rises, its horizontal component of velocity _____.

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The work required to accelerate an object initially at rest…

The work required to accelerate an object initially at rest to a speed v0 is W. What is the additional work needed to increase its speed from v0 to 2v0?

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An object, which is initially at rest, is moving with a cons…

An object, which is initially at rest, is moving with a constant acceleration of 2.90 m/s2 over a distance of 15.2 m. How long does it take for the object to move over this distance?

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A spring is hung from the ceiling. A 2.0-kg mass suspended h…

A spring is hung from the ceiling. A 2.0-kg mass suspended hung from the spring extends it by 6.0 cm. A downward external force applied to the mass extends the spring an additional 10 cm. What is the work done by the force?

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