Ajet of water moving at 20 m/s impinges on a symmetrical curved vane shaped to deflect the jet through 120o (i. s. the blade angles β1 and β2 are both 30o ). if the vane is moving at 5 m/s, find the angle of t

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Aphysical change is a change in the size, shape,, or stafe of matter true or false

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential