Physics, asked by bhim1977, 1 year ago

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 amitsmarty909
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