A 250g Volleyball is thrown horizontally at 2m/s west. It strikes
620g Stationary bashet ball. The volleyball rebounds east at 0,79 m/s

Calculate the rebcity of the basketball immediately after the collision ?​

What was the first instrument to ever record an earthquake?

The solid that is formed and usually sinks to the bottom of a solution is the

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.