Meh a beachgoer leaves a pair of sandals on the shore while she swims, when she puts the sandals on again , the bottom of her feet will feel hot energy wise like radiation and stuff

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Contains chemical energy. a. heat b. light c. natural gas