Question

sara puts a box into the trunk of her car.Later, she drives around an unbanked curve that has a radius of 48 m.The speed of the car on the curve is 16m/s, but the box remains stationary relative to the floor of the trunk. Determine the minimum coefficient of static friction for the box on the floor of the trunk.

Answer 1

\[\mu=v ^{2}/rg\]
=256/480=0.53333