Time shifting occurs when
a. clocks move ahead one hour in the spring
b. works are copied and kept for future generations
c. individuals copy works to view at a later time
d. copyrighted materials comes into the public domain

If 1 lb of fat is stored by the body for each 14.6×103kj of excess nutritional energy consumed, how long will it take this person to gain 1 lb?

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.)

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost