4. going down the freeway you notice your tachometer reads 4,000 rpm. a) convert
this frequency into rps? b) use your answer from 'a' to find the period of rotation (how
long it takes your engine to spin just once)? answer in seconds.

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?