“to predict the speed that a coaster will reach before it is ever placed on the track. ... When coaster goes up by height h then its gravitational potential energy increases by the amount m.g.h where m = mass of coaster, h = height of coaster and g = gravitational acceleration due to Earth”
Answer:
did u know there's no such thing as "pear cider."
Explanation:
The answer is D because instantaneous means at a particular point in time
