Easy way to solve the numeric problem what is the work to be done to increase the velocity of a car from 30km/h to 60 km/h if the mass of the car is 1500kg
Answers
Answered by
1
Work = Change in kinetic energy
= 0.5 m (v² - u²)
= 0.5 × 1500 kg × [(60 × 5/18 m/s)² - (30 × 5/18 m/s)²]
= 156250 joules
= 156.25 kJ
Work done is 156.25 kJ
Similar questions