Achild on a spinning playground ride is ( 36 m from the
center of the ride. the centripetal force on the child is 19 n.
what is the mass of the child if the child has a tangential
speed of 0.54 m/s?
3.7 kg
13 kg
23 kg
79 kg

What belongs in the areas marked x and y? x: the internal energy of a piston system increases as heat is added and rises to a cool area y: as thermal energy is added to a container, some of the energy is lost to the environment x: as thermal energy is added to a container, some of the energy is lost to the environment y: the internal energy of a piston system increases as heat is added and rises to a cool area x: a cold spoon placed in hot liquid gets warmer y: thermal energy is converted to light energy x: thermal energy is converted to light energy y: a cold spoon placed in hot liquid gets warmer