A heat engine is a device that uses heat to produce useful work.
Answer:
A
Explanation: A is a example of Air resistance force, which is a contact force.
Answer:
The cat will have <span>36J</span> of kinetic energy.
nuclear fusion- produces huge amounts of energy.
Kinetic energy = 1/2 m v^2 = 1/2 x1.5 x10^-3 x 0.36