Thermal energy depends on .

A.

mass, temperature, and phase

B.

mass, phase, and density

C.

weight, temperature, and density

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?