12) A 10.0 kg box is pushed up a ramp from the ground to a height of 1.00 m. The push force is parallel to the ramp.
a. What is the change in potential energy of the box?
b. How much work was done in moving the box?

Newtons view of arrangement of the universe. don't copy from anywhere.

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.

Which form of pure carbon is so hard that it can be used in cutting tools?