Which best describes a reference frame?

A. a distance over which an object moves

B. the difference between start and end velocity

C. a position from which something is observed

D. the average speed of a group of objects

A stone is dropped from a height of 7.70 m how fast is it going when it is 5.25 m above the ground

4. Micaiah was shooting pool. He was trying to shoot the 8 ball in the corner pocket. Cai missed the 8 ball and the cue ball hit the side of the pool table before bouncing in the opposite direction. What type of collision is this?

46. Can you take a walk in such a way that the distance you cover is greater than the magnitude of your displacement? Give an example if your answer is yes; explain why not if your answer is no.

If the velocity of an object changes from 15 m/s during a time interval of 4s what is the acceleration of the object

If the Earth rotated more slowly about its axis, your apparent weight would A) increase. B) decrease. C) stay the same. D) be zero.

Physical science unit 4 lesson 10

When light travels from air into water which is more dense than the air, it's speed is lower. So the light wave will ... A. bend towards the normal to the surface B.-always lies along the normal to the surface C. be unaffected D.

How will the current change in a series circuit if more resistors are added to it?

The motor, M, pulls on the cable with a force F = (10t2 + 300) N, where t is in seconds. If the 100 kg crate is originally at rest at t = 0, determine its speed when t = 4 s.

What happens to the acceleration of an object is its mass doubles?