Question

In 10 seconds, a lion did 150 J of work moving her lion cub up a tree for safety. How much power did she use?

Answer 1

Answer:  

15W is the power used by the lion to take cub up a tree.

Explanation:

In the given question it is said that the total work done by the lion is 150 joules and the required time is 10 seconds. According to mathematical formula of power, Power $=\frac{\text {work done}}{\text {time}}$  substitute the given terms in the formula = $\frac{150}{10}$ =15 = 15W (Watt is the SI unit of power. Watt is said as one joule per second). The power used by a lion to safe her cub is 15W.