Problem: A. How many joules of energy does a 100-watt light bulb use per hour? B. How fast would a 70-kg person have to run to have that amount of kinetic energy?

FREE Expert Solution

The energy of a light bulb:

E=Pt

The energy of a running person is equal to the kinetic energy of that person, expressed as:

E=12mv2

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Problem Details

A. How many joules of energy does a 100-watt light bulb use per hour? 

B. How fast would a 70-kg person have to run to have that amount of kinetic energy?

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