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(a) Water discharges from a horizontal pipe at the rate of 5.00 x 10-3 m3/s. At point A in the pipe where the cross-sectional area is 2.00 x 10-3 m2, the absolute pressure is 1.60 x 105 Pa.
What is the velocity of the water at point A?
What is the velocity of the water at point B in the pipe where the pressure is reduced to 1.20 x 105 Pa?
What is the cross-sectional area of the pipe at point B?
The rod is initially at rest and oriented horizontally and then released so that it swings to the bottom. Illustrate what are all the forces acting on the rod?
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A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair, suppose the weight is evenly distributed.
What is the smallest probable displacement of shopper.
Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees. What is the second order maximum angle
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A toy car with a mass of 120 g moves to the right with a speed of 0.62 m/s. A small child drops a 21.0-g piece of clay onto the car, What is the change in speed of the car
A 65- kg child sits in a swing suspended with 3.4- m-long ropes. The swing is held aside so that the ropes make an angle of 60 o with the vertical
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