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A student exerts a force of 35 newtons to move a cart loaded with lab equipment to the prep room 20 meters. If it takes the student 10 seconds to push the cart to the prep room, how much power did the student use?

a) 700 W
b) 2.5 Nm
c) 62.5 J/s
d) 70 W

Respuesta :

esspdowntown

Answer:

option D

Explanation:

Power = work divided by time

and Work is equal to force multiplied by displacement

therefore power =[tex] \frac{35 \times 20}{10} = 70[/tex]

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