On a roller coaster, there is a motor driven chain that the cars attach to that pull the car up the first hill. what would eventually happen if the cars were allowed to roll down the first hill and no further mechanical energy were added?

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 heliocentric and the geocentric models of the solar system included these central principles

Adiagram show how a converging lens can produce a real image and virtual image