Solution: A 1.50-kg object is held 1.20 m above a relaxed massless, vertical spring with a force constant of 320 N/m. The object is dropped onto the spring.
(a) How far does the object compress the spring?
(b) Repeat part (a), but this time assume a constant air-resistance force of 0.700 N acts on the object during its motion.
(c) How far does the object compress the spring if the same experiment is performed on the Moon, where g = 1.63 m/s2 and air resistance is neglected?