If the tension in the string is equal to 2 W when the stone is at its lowest point, then the tension when the stone is at the highest point will be

What is the relationship between the wavelength of a wave and it's energy?

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

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.