Static, sliding and rolling are types of friction.

When the only force acting on a falling object is gravity, the object is said to be

a. stationary.

b. decelerating.

c. in free fall.

d. a projectile.

Does geosphere burn things?

When light enters a piece of glass from air with an angle of θ with respect to the normal to the boundary surface?

What can you calculate using the equation: P=W/t? distance mass power time

How long will take your trip in hours if you travel 350km at an average speed of 80km/hr?

The muscles of a runner transform chemical potential energy into what?

Which term identifies the dark smooth areas on the surface of the moon? craters terrae maria regolith

1. work is a transfer of 2. a small 20-killogram canoe is floating downriver at a speed of 2 m/s. what is the caanoes kinetic energy?

If you are asked to determine an objects speed, what information must you have? A: distance and period of time B: distance and direction C: period of time and direction D: distance and change in position

What is the kinetic energy of a 1150 kg sports car traveling down the road with a speed of 29 m/s?

3. A 2,000-kilogram railroad car moving at 5 m/sec to the east collides with a 6,000-kilogram railroad car moving at 3 m/sec to the west. If the cars couple together, what is their velocity after the collision?