1a plane moving at 30m/s drops a load 200m down to the ground.
how long did it take to hit the ground.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

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.