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suppose you push down on the handle of a bicycle pump with a force of 20N .the handle moves 0.3m and there is no heat between the pump and its surroundings what is the change in thermal energy of the bicycle pump?

Respuesta :

mberisso

Answer:

6 Joules

Explanation:

The change in internal energy must be equal the work done by pushing the handle with a 20 N force a distance of 0.3 meters. That is:

Change in internal energy = Work = 20 * 0.3 J = 6 Joules

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