Question

A postal service worker lifts a package into a truck. She exerts 22 J of work lifting the package for 4 seconds. How much power did she user

Answer 1

Given:-

• Work done = 22 Joules

• Time taken = 4 Seconds

To be calculated:-

Calculate the power .

Formula used:-

Power = Work done/Time taken

Solution:-

We know that,

$\sf{Power = \dfrac{Work \: done}{Time \: taken } }$

★ Putting the values in the above formula,we get:

$\sf{Power = \dfrac{22}{4} }$

$\sf{Power = 5.5 \: watts}$