The kinetic energy of a stone is 5.88 Joules at the time of projection. What maximum height does the 0.2 kg stone reach?
A 0.2 kg stone dropped from a height takes 2 seconds to reach the ground. What is the rate of work done by gravity on the stone?
An engine in a toy plane moves the plane through a distance of 2 m in 2 seconds by exerting a constant force of 3 N. How much power does the engine exert?
A body of mass 0.3 kg is raised to attain a potential energy of 5.88 J. What is its height?