contestada

a student does 100 j of work on the handle of a bicycle pump. the pump does 40 j of work pushing the air into the tire. what is the efficiency of the pump? show your work.

Respuesta :

173darkknight

Answer:

40%

Explanation:

Student -> Pump = 100j

Pump -> Tire = 40j

Between the two, 60j of energy were lost.

Efficiency = 40/100 = 40%

nibga4life
30g y y y tvtt t tccycfciughjjji

Otras preguntas