What is the gravitational force of the sun on a 15.0 kg box on the earth's surface when the sun's mass is 2.0 x 1030kg and the distance between Earth and Sun
1.5 x 101m?
A 8.9 x 10-2N
B 4.5 x 10-1N
C 9.2 x 103N
D 4.0 x 10 SN

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.)