Skill: Solving word problems about the facts concepts of mechanical energy
Direction: Using the formulas of KE and PE solve the following problems. Write your solutions and answers on the space below

1. Find the mass of the cylinder at 12 ms after it has acquired 225 J of kinetic energy

2. A wooden cube with a mass of 0.75 Kg is elevated to a height of 214 m. Solve for the following:
a PE of the wooden cube at 214 m.
b. Final velocity of the wooden cube upon hitting the ground.

3. Determine the total mechanical energy of a 1500 kg van parked on top of a 50 m hill.​