While working out, a man performed 2525 J of work in 19 seconds. What was
his power?

A. 241.5 W
B. 100.5 W
C. 47,975 W
D. 132.9 W

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?