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A fire hose 10 cm in diameter delivers water at the rate of 22 kg/s . The hose terminates in a nozzle 2.1 cm in diameter.
What is the flow speed in the hose?
v1=_______m/s
What is the flow speed in the nozzle?
v2 = _______m/s
A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizon with a speed of 25 m/s.
A 1650-kg car is traveling at 34 m/s. How fast must a 91 kg bicycle and rider be traveling to have the same kinetic energy as the car.
When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..
A coin placed on a turntable rotating at 37.9 rev/min will stay there if its center is placed no further than 8.5 cm from the axis of rotation. find the coefficient of friction between the coin and turntable
question1john turns his living room into a giant turntable but forgets to pin down furniture. as a result the furniture
Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 21.9° with the axis of the polarizer. What fraction of the original light is absorbed by the analyzer
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes in 69.0 degrees, Find the angle the resultant force makes with the rope of dog A
A visual inspection of an insect with mass 0.4mg (milligrams) suggest that its uncertainty in postion is 0.5um, How fast could the insect be moving
What is the oscillator's total mechanical energy as it passes through a position that is 0.749 of the amplitude away from the equilibrium position
A hollow, conducting sphere with an outer radius of 0.256 and an inner radius of 0.190 has a uniform surface charge density of +6.91×10?6 . A charge of -0.690 is now introduced into the cavity inside the sphere. What is the new charge density on the ..
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.0 m/s. (a) What is the period of the motion
Water flows straight down from an open faucet. The cross-sectional area of the faucet is 1.7 × 10-4m2, find the cross-sectional area of the water stream at a point 0.11 m below the faucet
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