List whether acceleration or retradation that occurs in the following situations ●The Motion of a coconut falling from a coconut tree
●The Motion of a stone thrown up
●A ball rolling on a level ground
●A train starting from the station
plzz help guys ​

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)