A 1100-kg car moving on a horizontal surface has speed v = 50 km/h when it...

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A 1100-kg car moving on a horizontal surface has speed v = 50 km/h when it...

A 1100-kg car moving on a horizontal surface has speed v = 50 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.7 m

What is the spring stiffness constant of the spring?

Express your answer to two significant figures and include the appropriate units.

science physics

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