If the roller coaster car in the above problem were moving at twice the speed, then what would be its new kinetic energy

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

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.

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.