This type of heat transfer can be seen on hot days when you see the heat waves shimmer off the pavement. (cold air is sinking and warm air is rising)
O conduction
convection
radiation
heat transfer

Help please :)

Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.