Answer:
100% efficiency
Explanation:
the machine has _100%_ efficiency.
(fill in the blank)
I hope that the attachment helps you..
Replaces spring 2. the mass of the weight and pulley are unchanged: m=5.8 kg and mp=1.7 kg
Answer:
Styrofoam would be the best insulator because it traps the air in small pockets, blocking the flow of heat energy.
Explanation: