Steel paper clip because it can be moved by the magnet and it is lighter than the iron nail
Da ne ajuta pentru a putea citi corect lungimea ... coronită???
Answer:
the total kinetic and potential energy of the ball is constant (mechanical energy remains the same)
Explanation:
As the ball falls, kinetic energy is increased in direct relation with the decrease in potential energy
ΔKE + ΔPE = 0
The answer is C. Electrical;mechanical