A 4.0-cm-diameter sphere is heated to a temperature of 150oC and is enclosed in a large room at 20oC. Calculate the radiant heat loss if the surface emissivity is 0.65.

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

An object's buoyant force and weight mean the same thing.a. trueb. false

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing