A 30.0kg object has an initial velocity of 7.00m/s and a final velocity of 10.0m/s. The work done on the object is

How is the energy produced in a nuclear reaction determined? A. By multiplying the change in mass by the square of the speed of light B. By multiplying the frequency by Planck's constant C.

A construction worker dropped a brick from a high scaffolding. How fast was? a. How fast was the brick moving after 4.0 s of falling? b. How far did the brick fall after 4.0 s of falling?

The amount of thermal energy that is gained or lost by an object depends on what three things

Has there been signs that time travel exist

If a bowl of fruit is sitting on a table in a state of rest, what is the net force acting on it?

What color do you see when all colors of light are reflected

A ball is thrown with a velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal component of its instantaneous velocity at the the exact top of its trajectory?

You pull on a wagon resting on the sidewalk. What will happen next. A. The wagon does not move because the wagon applies more force to you than you apply to the wagon. B. The wagon moves because you apply more friction to the ground. C.

If someone travels 3000 feet in one second, how far will it travel in 18 minutes

How long did it take to reload a rifle during the 18th 19 century?