500 J of work are done in 4 seconds to lift a 40 kg box to the top of a high shelf. How much power was required to complete the lift
power=work/time=500/4 watts
Power = energy or work / time
500 J/4 s = 125 Watts
To calculate the power required to complete the lift, you can use the formula:
Power (P) = Work (W) / Time (t)
Given:
Work (W) = 500 J
Time (t) = 4 seconds
Substituting the values into the formula, we get:
P = 500 J / 4 s
P = 125 watts
Therefore, the power required to complete the lift is 125 watts.
To calculate the power required to complete the lift, we can use the formula:
Power = Work / Time
Given that 500 J of work were done in 4 seconds, we can substitute these values into the formula to find the power:
Power = 500 J / 4 s
Dividing 500 J by 4 s gives us:
Power = 125 W
Therefore, the power required to complete the lift was 125 Watts.