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A 1200-kg car rolling on a horizontal surface has a speed v= 65km/h when it strikes a horizontal coiled spring and is brought t...Asked by Anonymous
A 1300 kg car rolling on a horizontal surface has speed v = 65 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.9 m. What is the spring stiffness constant of the spring?
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Answered by
drwls
Solve this equation for k:
(1/2) k X^2 = (1/2) m V^2
(Initial kinetic energy) = (compressed spring potential energy)
V must be in m/s and X must be in meters.
k will be in N/m
(1/2) k X^2 = (1/2) m V^2
(Initial kinetic energy) = (compressed spring potential energy)
V must be in m/s and X must be in meters.
k will be in N/m
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