PLEASE QUICK Fill in the blank with the correct response.

The wave property that allows you to hear a sound wave loudly when a tuning fork is held over a tube that is precisely of the wavelength of the wave is (blank)

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d