paul202 paul202

10-05-2017
Physics

contestada

How much work is done by a car engine if the 1200kg car goes 13m up a hill and accelerates from 6 m/s to 7.5m/s?

Respuesta :

egenriether egenriether

10-05-2017

The work done by the engine is equal to the gravitational potential energy (GPE) put into it. GPE = mgh
GPE = Work = 1200·9.81·13 = 153,036J

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