The belt contains perhaps ten of thousands of objects orbiting within about 100 au of the sun

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

If a simple machine reduces the strength of a force, what must be increased?

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car