A 3.0 kg toy car is released at the top of a frictionless track on the left and rolls off of the track frorn its right side ramp. The car starts at a height of 0.80 m, goes through a 0.50 m diameter loop, and exits the
ramp at a height of 0.25 m.

What is the change in the cars gravitational potential energy from A to B?​

Avalue that describes how heavy an object is and is related to the force of gravity is

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver