An 80 N force has been applied to a block and move it 20m along the direction of the force.

How much thermal energy is created in the slope and the tube during the ascent of a 30-m-high, 120-m-long slope?

The long, deep canyon running along the equator is called

The element copper has 29 protons. What is the atomic number of copper?

Is the second largest planet, with an atmosphere of mainly hydrogen and helium, and rings of ice and rock particles

True or false, As the frequency of an energy wave increases, so does its wavelength

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching