How does the force of gravity pulling a box down a slope change if the slope becomes steeper? (Like tilting a board up with something resting on it.) Please explain it to the best of your ability and show a free body diagram showing all the forces acting on the box.

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?

The unit of resistivity is the: ohm ohm-cm volt coulomb