A 2.5-kg rock is dropped off a 32-m cliff and hits a spring, compressing it 57 cm. What is the spring constant? Round your answer to two significant figures.

Question

Physics

Elaine Glass

18 February, 07:56

A 2.5-kg rock is dropped off a 32-m cliff and hits a spring, compressing it 57 cm. What is the spring constant? Round your answer to two significant figures.

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Answers (1)

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Kendall Mcneil · Answer 1

Given:

m = 2.5 kg

h = 32 m

s = 57 cm = 0.57 m

(mxg) (h+s) = (Dxs^2) / 2

D = (2xmxg) (h+s) / s^2

D = (2x2.5x9.81) (32+0.57) / 0.57^2

D = 4917.08 N/m