Holly Puts a Box into the Trunk of Her Car

Multiple Choice

Holly 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 16 m/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.

A) 0.42
B) 0.54
C) 0.17
D) 0.33
E) This cannot be determined without knowing the mass of the box.