An adult helping her child learn to ride a bike, applies a net force of 4.32 newtons to the child on the bike for 2.40 seconds. How much momentum does the child and his bike gain after being pushed by the adult in kilogram-meters per second? Round your final answer to two decimal places.

When a ball is hit, it travels at 18.92 meters per second. If the mass of the ball is 0.08 kilograms, what is its kinetic energy (in joules)? Round your final answer to two decimal places.

A 4.67 kilogram object is 89.61 meters above the ground. What is the object's potential energy (in joules) at this height? Round your final answer to two decimal places.