Calculate the energy possessed by a stone of mass 10 kg kept at a height of 5m.
If 196 × 102 J of energy were used to raise a 40 kg boy above the ground, how high would he be raised?
1
490J, 50m
2
590J, 40m
3
690J, 50m
4
490J, 30m
Calculate the energy possessed by a stone of mass 10 kg kept at a height of 5m.
If 196 × 102 J of energy were used to raise a 40 kg boy above the ground, how high would he be raised?