Energy of motion.

Which of the following is NOT an example of potential energy?

If velocity is doubled, kinetic energy would be doubled.

An arrow in a bow has 70 J of potential energy. Assuming no loss of energy to heat/friction, how much kinetic energy will it have after it has been shot?

How would the potential energy (with reference to the ground) of a ball sitting on a shelf change if you moved it to a higher shelf?

How much power is required to do 40 J of work on an object in 5 seconds?

Which has greater kinetic energy, a car traveling at 30 m/s or a half-as-massive car traveling at 60 m/s?

If you run up the stairs faster your power output will decrease.

What is the ultimate source of energy for the food we eat?

Kinetic and potential are both forms of mechanical energy.

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