LisanabilHP LisanabilHP

26-08-2021
Physics

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ok plz help this is my entrance exam question for physics in grade 9 (yes i am moving to a new school again)

calculate the POWER of a man who pushes a box with a force of 40 n to move it at a distance of 3 meters in 4 secs plz help

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Аноним Аноним

26-08-2021

Answer:

300 W

Explanation:

We know that

P = W/t

P = mgh/t

P = 40 × 10 × 3/4

P = 10 × 10 × 3

P = 300 W

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