G what is the total amount of energy that must be dissipated to bring a 200 lb car traveling at 40 mph to a complete stop? What is the force on brake if the car skids for 40 feet? 1 mi= 5280'

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Explain what happens at the saturation point when adding salt to water at room temperature.

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?