A block of mass 1kg is dropped on a spring from a height of 20cm. If the spring compresses by 5cm, the force constant of the spring is (g= 10 ms^(-2))

A block of mass 1kg is dropped on a spring from a height of 20cm. If t

1.	A block of mass 1kg is dropped on a spring from a height of 20cm. If the spring compresses by 5cm, the force constant of the spring is (g= 10 ms^(-2))
Answer» `2000 NM^(-1)` `1000 Nm^(-1)` `200 Nm^(-1)` `500 Nm^(-1)` Answer :A