Acar starts from rest at point a, a height h above the ground, and rolls freely (no resistance or drag) down a track and around a circular loop of radius r. (a) from what minimum height h (in terms of r) should the car start in order to just barely make it all the way around the loop without losing contact? [hint: what minimum speed must the

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

What property of an object determines its inertia?