question archive A pipe discharges storm water into a creek
A pipe discharges storm water into a creek
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A pipe discharges storm water into a creek. Water flows horizontally out of the pipe at 1.8 m/s, and the end of the pipe is 2.3 m above the creek.
Part A
How far out from the end of the pipe is the point where the stream of water meets the creek?
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vertical vel is zero at the end of the pipe
s = ut+0.5at^2
2.5 = 0*t +0.5*9.8*t^2
t = 0.714 sec
so in that time , horizontal distance covered = vel in horizontal direction *t (as there will be no acceleration (gravity)in horizontal direction )
=>1.8*0.714 =1.286 m -----answer
