Question

a 4 kg mass is dropped on a spring below. the mass falls 2 meters before stopping and the spring compresses 40 cm in the process. what is the spring constant?

Answer 1

Fm = 4kg * 9.8N/kg = 39.2 N. = Force of
the mass.

k = 39.2N / 0.4m = 98 N/m.