What type of system allows matter and energy to enter and exit?
a. closed
b. open
c. isolated
d. connected

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

What is the final velocity of the initial velocity of 25 and -50?