Question

Select the correct answer.
A car covers 72 kilometers in the first hour of its journey. In the next hour, it covers 90 kilometers. What is the amount of work done by the cari
The total mass of the car, including its passengers, is 2.5 * 10 kilograms.​

Answer 1

Explanation:

first hr=72km

2nd hr=90km

mass =2.5×10kg

speed =162/2

=81km/hr

f=ma

f=2.5*10×40.5

=101.25×10^(not given)