Use this formula to solve this problem:

Power (P) = Work (W) ÷ time (t)

Joachim's body supplies a force of 450 N to run up a 20 meter hill in 15 seconds.

How much power is involved in Joachim's run up the hill?

A.
30 Watts

B.
300 Watts

C.
22.5 Watts

D.
600 Watts

Question

Use this formula to solve this problem:
 
Power (P) = Work (W) ÷ time (t)
 
Joachim's body supplies a force of 450 N to run up a 20 meter hill in 15 seconds.
 
How much power is involved in Joachim's run up the hill?
 
 A.
30 Watts
 
 B.
300 Watts
 
 C.
22.5 Watts
 
 D.
600 Watts

anonymous · Answer

D, As power=work/time, 
work=force*distance,
so, power=(Force*distance)/time
power=(450*20)/15
power=600watts