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An energy-absorbing car bumper has a spring stiffness constant of 550 kN/m. Find the
Chapter 11, Problem 68GP(choose chapter or problem)
Problem 68GP
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). [Hint: Use conservation of energy.]
Questions & Answers
QUESTION:
Problem 68GP
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). [Hint: Use conservation of energy.]
ANSWER:
Solution 68 GP
Step 1 of 2:
In this question, we need to find maximum compression of the bumper of the car when it collides with the wall
Data given
Stiffness constant of wall
Mass of car
Speed of car