6. You place some ice cubes in a glass and then fill the glass with room-temperature tap water. How does the heat transfer?
a. Radiation
b. Convection
c. Conduction
d. melting

Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve

Explain why electric current cannot exist if a current doesn't have a voltage source.

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.