How does the kinetic energy of the dart as it leaves the gun compare to the gravitational potential energy of the dart When it reaches the highest point?

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

Protons and neutrons are found within the nucleus of an atom

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?