A ball is kicked from the ground into the air After 2 seconds, it is observed to have a velocity of 35i + 20j m/s. The ball's speed at the highest point is
A) 0 m/s
B) 30 m/s
C) 35 m/s
D) 40 m/s
E) 45 m/s

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.)