Question

what is the work done to increase the velocity of a car from 10kmph to 20kmph mass of the car is 1000 kg​

Answer 1

Answer:

Work done is 156.25 kJ

Explanation:

Work = Change in kinetic energy  

Work= 0.5 m (v² - u²)

Work= 0.5 × 1500 kg × [(60 × 5/18 m/s)² - (30 × 5/18 m/s)²]

Work= 156250 joules

Work= 156.25 kJ

Work done is 156.25 kJ