Physics · Work, Energy and Power
A ball of mass 'm' is dropped from a height 's' on a horizontal platform fixed at the top of a vertical spring. The platform is depressed by a distance 'h'. The spring constant is (where g is the acceleration due to gravity):
- 1mg(s + h)h
- 2mg(s - h)h
- 32mg(s + h)h2✓
- 42mg(s - h)h2
Correct answer
2mg(s + h)h2
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