From rest a skier skies decencing on the 30 degree slope .the coefficient of kinectic friction is 0.10 1 ;calculate the:
*acceleration of the skier
*speed of skier after 6.0s​

When an object is heated it contracts. a. true b. false

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.