170k views
2 votes
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

User Hongxu
by
6.9k points

1 Answer

1 vote

Answer:

300 W

Step-by-step explanation:

We know that

P = W/t

P = mgh/t

P = 40 × 10 × 3/4

P = 10 × 10 × 3

P = 300 W

User Calina
by
7.2k points