A 13KN car starts at rest and rolls down a hill from a height of 10m. It then moves across a level surface and collides with a light spring loaded guardrail. a. Neglecting any losses due to friction, and ignoring the rotational kinetic energy of the wheels. Find the maximum distance the spring is compressed assuming a spring constant of 1.0x106n/m. b. Calculate the magnitude of car's maximum acceleration after contact with the spring, assuming no frictional losses. c. If the spring is compressed by only 0.3m find the change in the M.E. due to friction.

University Physics Volume 1
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Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 93AP: A 7.0-kg box slides along a horizontal frictionless floor at 1.7 m/s and collides with a relatively...
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A 13KN car starts at rest and rolls down a hill from a height of 10m. It then moves across a level surface and collides with a light spring loaded guardrail.

a. Neglecting any losses due to friction, and ignoring the rotational kinetic energy of the wheels. Find the maximum distance the spring is compressed assuming a spring constant of 1.0x106n/m.

b. Calculate the magnitude of car's maximum acceleration after contact with the spring, assuming no frictional losses.

c. If the spring is compressed by only 0.3m find the change in the M.E. due to friction.

 

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