Question

A child is moving on a skateboard at a speed of 2m/s. After a force acts on him, his speed becomes 3m/s. Find the work done by the external force on the child, given the mass of the child is 20 kg.

Answer 1

Answer:

his speed becomes 3m/s. find the work done by the extenal force on the child . given the mass of the child is 20kg. achild is miving on a akateboard at a speed of 2m/s.

Answer 2

Here's the ans!!

Work energy theorem says that

the total work done done on a body is equal to the change in the kinetic energy.