Awater hose is used to fill a large cylindrical storage tank of

distance diameter d and height 2d. the hose shoots the water at 45°

above the horizontal from the same level as the base of the tank and is a

distance 6d away. for what range of launch speeds will the water enter

the tank? ignore air resistance, and express your answer in terms of d

and g.

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.