Question

The velocity of a car increases from 45 km/h to 60 km/h. If the mass of the car is 1200 kg, then find the work done to increase the velocity.​

Answer 1

Correct answer:-

Refer to the attachment.

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Answer 2

Answer:

Explanation:

45km=12.5m/s

60km=16.67m/s

Initial Kinetic Energy=93750

Increases Kinetic Energy=166733.34

Kinetic Energy required to do work=Initial-Increase kinetic energy

=166733.34-93750.00=72983.34 joules of work is done