How did issac newton discover gravity.
( explain in a paragraph)
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i'm doing a report on him for science, and i need this to be answered really quick, so it's worth a lot of points, enjoy them : 3

Which fators influence ocean currents

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?