A 134 kg merry-go-round has a radius of 1.6 m and it is rotating with an angular velocity of 0.3 rev/s. What is its angular velocity (in rev/s) after an at rest 83-kg person gets onto it by grabbing its outer edge

The atoms in a sidewalk on a hot summer day are vibrating the atoms in the sidewalk on a freezing day in winter. a. more rapidly than b. more slowly than c. at the same speed as

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.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic