The force of gravity always causes a projectile to ?

Explain why you think this diagram shows what happened to the carbon in the biodome.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?