Question

Asked Oct 2, 2019

A 1200-kg car moving on a horizontal surface has speed *v*= 85 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?

Step 1

The kinetic energy of the car is equal to the energy stored in spring through compression.

Write the expression for the kinetic energy of the car.

Step 2

Write the expression for the e...

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