Den pushes a desk 400 cm across the floor. He exerts a force of 10 N for 8 s to move the desk.
What is his power output? (Power: P = W/t)
a. 1.25 W
b. 5 W
c. 40 W
d.500 W

ANSWERS

2020-04-29 20:51:33

We Know, P = W/t P = F * s/t Here, F = 10N s = 400cm = 4m t = 8 sec. Substitute their values in to expression, P = 10 * 4/8 P = 10 * 1/2 P = 5 Watt So, your final answer is 5 W Hope this helps!

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