Physics

Physics, 18.10.2019 05:10, naomicervero

Which of the following has no energy?

a. a wrecking ball

b. a pot of water

c. a moving vehicle

d. none of the above

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Chemistry, 29.06.2019 22:00, tyturbo7

The wrecking ball has energy that can be converted from one form to another. when the wrecking ball hangs motionless several stories up, it has no energy, but a lot of energy.

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Physics, 30.07.2019 14:30, jaylafennell101

Acrane is used to swing a 450 kg wrecking ball into a 500 kg wall. the crane takes 5 s to push the ball into the building. the crane provides 2000 n of force. the ball is left moving 10 m/s after the collision. how fast is the wall moving afterwards? * how does the kinetic energy change in the crane problem? 1. ke increases 2. ke decreases 3. ke stays the same what type of collision is this? elasti inelastic

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Physics, 05.08.2019 17:10, samlolomg123

Abuilding is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 15-m-long cable. you are (unwisely! ) standing directly beneath the point from which the wrecking ball is hung when you notice that the ball has just been released and is swinging directly toward you. how much time do you have to move out of the way?

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Physics, 19.09.2019 04:00, danielahalesp87vj0

Energy is the energy of the motion or vibration of molecules in a substance. a. heat b. nuclear c. chemical d. electromagnetic a wrecking ball on its way down before it hits a building is an example of energy being converted into energy. a. kinetic, potential b. potential, kinetic c. potential, potential d. kinetic, mechanical a wrecking ball on its way down before it hits a building is an example of energy being converted into

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Which of the following has no energy?

a. a wrecking ball

b. a pot of water...

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