Which is a group of nonrenewable resources? A. Water, wheat, wind
B. Plants, vegetable oil, solar energy
C. Trees, wind, solar energy
D. Coal, crude oil, sapphires

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

What sort of waves exhibit the doppler effect?

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?