Answer:
thermal energy
Explanation:
heat transfers into it causing it to physically change
Answer:
its not moving at a constant velocity because it is slowing down
Explanation:
Mechanical efficiency is a measure of how well the machine converts the input work or energy into some useful output. It is calculated by dividing the output work by the input work. The ideal machine has mechanical efficiency equal to unity, while the real machine has mechanical efficiency less than unity
Answer:
The bigger one. Ignoring air resistance, they will fall at the same speed, but the bigger one will hit first because it sticks out lower.
Explanation: