The girl on the skate ramp roller-skates down one side of the slope and up the opposite side. She cannot quine reach the top of the slope, level with her starting position.

a What energy conversion is taking place as the girl moves downwards?
b What energy conversion is taking place as the girl moves back upwards?
c Explain why the girl cannot reach the top of the slope.
d Suggest how the girl could reach the top of the slope.

Doktor77    3   14.12.2021 18:38    0