Aball that is dropped will hit the ground at the same time as a ball that is thrown horizontally with an initial velocity of 2 m/s.

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Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?