What is the maximum energy of an x-ray photon produced when electrons are accelerated through 51 kV and then hit a copper anode? What happens to the x-ray spectrum for copper when the accelerating voltage is increased?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

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.

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential