Question

Timmy lift a rock using 245 joules of work over 5 seconds . How much power was required to lift the rock?

Answer 1

Answer: 49Watt

Explanation:

The formula for power is:

Power = Work/Time

where,

Work = 245 Joules

Time = 5 seconds

Power = Work / Time

= 245/5

= 49Watt

Therefore, the power required to lift the rock is 49W.