A young girl threw a 1 Kg stone vertically upward into the air. Her hand moved through a distance of 0.5 m before the stone left her hand. If the stone reaches a maximum height of 20 m above her hand’s starting point, what force did she apply to the stone? Assume the force was constant and ignore air resistance.

Answer rating: 100% (QA)

Solution By the work Energy the work done on the girl Here F... View the full answer