think back to the last time you rode a roller coaster or amusement ride that made you feel weightless. using your knowledge of forces, explain why this happens.

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false