Which object has more gravitational potential energy

Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly

The discovery of the electron as a subatomic particle was a result of

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above