Any change over time is called what

Is the star with the longest total lifetime Also the farthest from earth? Explain.

A boat is moving at the rate of 15.0 meters per second. It's speed is then decreased uniformly to 3.0 meters per second. It takes 4 seconds for the speed to decrease. What is the magnitude of the deceleration of the car?

A delivery man is told to go 60 miles per hour north to make his delivery on time. These instructions describe the delivery man's -speed -velocity -acceleration -magnitude

Which of the following is an example of an object that could have a net force greater than zero acting on it? A. a glass resting on a table B. a ball rolling down a ramp C. a ladder leaning against a wall D.

Pulling back a rubber band and shooting it is an example of what?

Tsunami waves have? 1. no crests 2. no troughs 3. long wavelengths 4. short wavelengths

The distance between a charge and the source of an electric field changes from 3 mm to 6 mm. As a result of the change, the electric potential energy of the charge is A. divided by 6 B. divided by 2 C. multiplied by 2 D. multiplied by 6

if an object is at rest and experiences a force of 100 to the right and 50N to the left which way will the object accelerate?

Determine the kinetic energy of 1000-kg roller coaster car that is moving with speed of 20.0m/s

Is uranium elemant or compound