Question

To lift a baby from a crib 50 J of work is done. How much power is needed if the baby is

lighted in 0.5s?

Answer 1

Power = 100 Watts

Step-by-step explanation:

Given the following data;

Workdone = 50 Joules

Time = 0.5 seconds

To find the power needed;

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

`Power = \frac {workdone}{time}`

Substituting into the formula, we have;

Power = 50/0.5

Power = 100 Watts