For the situation in the figure below, use momentum conservation to determine (a) the magnitude and (b) the direction of the final velocity of ball 1 after the collision. The angle ϕ = 52.0 o. (a) Top view of two balls colliding on a horizontal surface.
(b) This part of the drawing shows the x and y components of the velocity of ball 1 after the collision.

Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)

How many atoms of nitrogen are in the chemical formula ni(w on

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2