Question

Asked Oct 18, 2019

A 5.00x10^{5} kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. What is the force constant k of the spring?

Group of answer choices

781 kN/m

625 kN/m

100 kN/m

6.25 N/m

Step 1

Given

Step 2

According to law of ...

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