3. which one of these has the most inertia?
a. a skydiver
b. a boeing 747 airplane
c. a baseball
d. a small car

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.)

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What happens when a rubber rod is rubbed with a piece of fur?