Một vật rơi tự do từ một độ cao h. Biết rằng trong giây cuối cùng vật rơi được quãng đường 15m. Lấy g = 10 m/s2. Độ cao h là

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

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.