Jamieandej Jamieandej

02-02-2020
Physics

contestada

An engine has an actual efficiency of 0.150. If you put 5200 J of heat into the engine, how much heat will be rejected into the air?

Respuesta :

Tanjina26 Tanjina26

02-02-2020

Answer:

4420J

Explanation:

1) 0.15=useful energy / 5200

2) useful energy = 0.15 × 5200 = 780

3) wasted energy = total energy - useful = 5200 - 780 = 4420J

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