A stone is dropped from the
top of a tower 500m high into a
pond of water at the base of the
tower
When is the splash heard at the top?
Given, g = 10m/ssquare and speed of
sound = 340 m/s1

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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.