Convert 145km to m 3 hours,45 minutes to seconds​

How is zig zagging a form of acceleration?

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.)

Match each scenario to the form of energy it represents