| Momentum - Impulse | Collisions | Energy | Conservation of Energy | Work - Power |
|---|---|---|---|---|
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What is kg m/s
The unit of momentum
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What is a perfectly inelastic collision?
When objects collide and stick together
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What is the ability to do work?
The definition of Energy
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What is 2.94 J
A 60g appel is dropped from a height of 5 meters above the ground. Neglecting air resistance find the appel's kinetic energy just before hitting the ground
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What is the measure of energy transfer over a distance by an external force?
W=Fd
The definition of work
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What is inertia in motion. p=mv
The definition of momentum
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What is an elastic collision?
When objects collide and Kinetic Energy is conserved
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What is a Joule or kg m2/s2 ?
The unit of energy
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What is 980,000J?
A 200-kg boulder is held 1000-m above the ground. What is its Potential energy when it is 500m above the ground?
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What is neither?
Person A and Person B are competing against each other, they both can lift 75 kg boxes 3.5 m off of the ground. Person A lifts her box in 1.5 s and Person B lifts his box in 2.4 s. Which person does more work?
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What is the product of force and the time interval during which the force acts
The definition of impulse
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What is 7 m/s?
a 4kg blob of clay moving to the right at 12 m/s collides with a 5 kg blob of clay moving to the right
at 3 m/s. The two blobs of clay stick together. What will be the resultant speed of the clay blobs? |
What is 15,484J?
The potential energy of a 79 kg cinder block that is sitting on a platform 20 m high.
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What is 980,000J?
A 200-kg boulder is held 1000-m above the ground. What is its kinetic energy when it is 500m above the ground?
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What is 200J?
Amy uses 20N of force to push a lawnmower 10 meters. How much work does she do?
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What is 120 N•s?
A box is pushed for 4 seconds with a force of 30 Newtons. What is the impulse on the box?
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What is 719 m/s?
A 35g bullet is shot at a 5.00kg block. The bullet lodges itself into the block and the two travel off with a velocity of 5m/s. What was the initial velocity of the bullet?
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What is 1J?
The K.E. for a 500 g wooden block moving at 2 m/s
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What is 20.4 meters?
An owl has a mass of 4.00 kg. It dives to catch a mouse, losing 800.00 J of its PE. What was the
starting height of the owl, in meters? |
What is 0.64 Watt?
If Aimee does 5.1 J of work to move her dresser drawer a distance of 2.3 m and all of this is done in 8 s, how much power has been exerted?
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What is 780 kg m/s
A 67kg-clown is riding his 11-kg unicycle down the side of the main circus tent. At the bottom of the tent is a middle aged accountant terrified of clowns. Frozen with fear the man does not move and the clown crashes into him with a speed of 10m/s. With what momentum did the clown strike the man?
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What is 4m/s?
A 3.0 kg object traveling 6.0 m/s east has a perfectly elastic collision with a 4.0 kg object traveling 8.0 m/s west. After the collision, the 3.0 kg object will travel 10. m/s west. What velocity will the 4.0 kg object have after the collision?
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What is 4 kg?
A rolling ball has 18 J of kinetic energy and is rolling 3 m/s. find its mass.
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What is 5m?
A 25 kg ball is thrown into the air, going 10 m/s. calculate how high it travels?
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What is 200 Watt?
If it takes 5 seconds for you to do 1000J of work, what is your power output?
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