Coefficient of kinetic friction between box and ramp

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Q1. A box slides down a 29° ramp with the acceleration of 1.10m/s2. Determine the coefficient of kinetic friction between box and ramp?

Q2. As part of a safety investigation, two 1700kg cars travelling at 25 m/s are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.3 seconds to stop, and (b) car that hits a concrete barrier and takes 0.3 seconds to stop.

Reference no: EM1311906

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