The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car's motion?

A. It's not moving.

B. It's moving at a constant speed.

C. It's moving at a constant velocity.

D. It's speeding up.

Which has more kinetic energy, a feather floating through the air or a rock on the ground? Explain.

An unconformity represents a period of erosion. True False

The ends of a magnet where the force is strongest are magnetic A) fields B) poles C) domains D) currents

A hammer is accidentally dropped from a scaffold where a crew is working. It takes the hammer 2.5 s to hit the ground. How high is the scaffold?

One lens of a nearsighted person's eyeglasses has a focal length of - 28.0 cm, and the lens is 1.8 cmfrom the eye.

Define light year and explain how and why light years are used to measure distances in the universe

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?