An energy-absorbing car bumper has a spring stiffness
Chapter 11, Problem 68(choose chapter or problem)
An energy-absorbing car bumper has a spring stiffness constant of 550 kN/m. Find the maximum compression of the bumper if the car. with mass 1500 kg. collides with a wall at a speed of 2.2 m/s (approximately 5mi/h).\Hinr.Use conservation of energy.)
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