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A 1.7-m length of horizontal pipe has a radius of 6.50 10-3 m. Water within the pipe flows with a volume flow rate of 1.00 10-2 m3/s out of the right end of the pipe and into the air. What is the pressure in the flowing water at the left end of the pipe if the water behaves as specified below?
(a) as an ideal fluid
Pa
(b) as a viscous fluid (? = 1.00 10-3 Pa · s)
A soccer player kicks a ball, giving it an initial velocity of 17.2 m/s in the horizontal direction, How far down the field does the ball travel before landing
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What is the friction force that acts on the firefighter. find Max wavelength and Min wavelength.
A skier is slinding downhill at 11 m/s when she reaches an icy path on which her skies more freely with negligible friction. find the speed of the skier at the bottom of the icy path
The distance to a star is approximately 4.2e18 m. If this star were to burn out today, How long does it take for sunlight to reach Jupiter
The pulley system is used to lift a 52 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to crate. assume the masses of the chains, pulleys, and ropes are negligible, conclude the forc..
Calculate the the electrical repulsion that each bag exerts on the other. Imagine two 2.0{\rm g} bags of protons, one at the earth's north pole and the other at the south pole.
Three thin uniformly charged shells A, B and C, with radii R, 2R , 3R respectively are placed one inside the other, What is the electric potential at radius 2R
An air molecule is moving at a velocity of 444 m/s. How various meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules.
An object is released from rest and falls in free fall motion. The speed v of the object after it has fallen a distance y is given by v2 = 2gy, what is the percent uncertainty in the calculated value of g
As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 22.0 m/s. find the force he exerts on the ball to give it this upward speed
A car of mass M = 1000kg traveling at 60.0km/hour enters a banked turn covered with ice. What is the radius (r) of the turn if theta = 20.0 degrees
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