Question

A 5 kg ball is dropped from a height of 3 meters onto a vertical spring. The spring constant is 800 N/m. How far will the spring compress?

a. 0.61 m
b. 14.7 m
c. 11.0 m
d. 0.32 m

Answer 1

Answer:d) 0.32 m

Step-by-step explanation:

According to the energy conservation principle:

mgh = 1/2 kx²

where m = 5kg, k =800 N/m, h = 3 m