Asoccer player kicks a ball. why does the action force exerted by the player’s foot cause a different motion than the reaction force? a. the reaction force is greater than the action force. b. the action force and the reaction force act in opposite directions. c. the action force and the reaction force act on different objects. d. the action force is greater than the reaction force.

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?