A 3.00 kg rests on the roofs edge of a 10.0m high building. What is the objects potential energy

The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine

Which type of microscope would allow the viewer to see ribosomes inside a cell?

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.