Which of these is generally considered to have been discovered by Einstein?

-space is empty

-mass bends Space-time

-gravity causes acceleration

-an electric charge produces an electric field around it

Identical cannon balls are fired with the same force, one each from four cannons having respective bore lengths of 1.0 meter, 2.0 meters, 2.5 meters and 3.0 meters.

You are standing at rest at a bus stop. A bus moving at a constant speed of 5.00 m>s passes you. When the rear of the bus is 12.0 m past you, you realize that it is your bus, so you start to run 2 toward it with a constant acceleration of 0.960 m>s.

On a particle level, what happens when thermal conduction occurs within a liquid? A. When fast particles rise to the top. B. When slow particles sink to the bottom. C. When particles stop moving. D.

If basketball travels a distance of 4 meters in 5 seconds what is the average speed

The force that causes a bent stick to return to it's original shape

Explain how machines can be useful if the output work is always less than the input work

A squeeze bottle squeezes when pressed. It regains its shape when pressed. It regains its shape when pressure from your hand withdrawn.

After a wave passes through a medium particles in the medium

What is her speed when she gets to the bottom of the slope?

The kinetic energy of a book on a shelf is equal to the work done to lift the book to the shelf. t/f