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A horizontal pipe 10 cm in diameter has a smooth reduction to a pipe 5 cm in diameter. If the pressure of the water in the larger pipe is 7.50 104 Pa and the pressure in the smaller pipe is 3.50 104 Pa, at what rate does water flow through the pipes?
A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in a direction 9° above the horizontal, and recoils with a speed of 0.22 m/s. Find the mass of the hockey player.
A current of 74.8 mA exists in a metal wire, In what direction do the electrons travel with respect to the current
A 208.3 gram pendulum bob on a 1.92 meter long string is pulled to a height above its lowest position such that it makes an angle of 19.0 degrees with the vertical. Determine the speed of the pendulum bob
A certain ohmic resistor has a resistance of 45 ohms. A second resistor is made of the same material but is two times as long, What is the effective resistance of the two resistors in series
A blue car with mass mc = 459.0 kg is moving east with a speed of vc = 19.0 m/s and collides with a purple truck with mass mt = 1245.0 kg that is moving south with a speed of vt = 10.0 m/s. What is the speed of the car-truck combination immediately..
A funny car accelerates from rest through a measured track distance in time T with the engine operating at a constant power P. what is the change in the time required for the run
Study of the fragment
in a hydraulic lift, if the radius of the smaller piston is 2.0 cm and the radius of the larger piston is 20.0 cm, how far does the smaller piston move
A brick is thrown vertically upward with an initial speed of 4.90 m/s from the roof of a building. If the building is 98 m tall, how much time passes before brick lands on the ground.
Find the maximum altitude reached by the rocket.Find its total time of flight.
A group of students determined that the following points were upon the best fit line for a graph of W2 vs. Determine the total mass of the system
Suppose that the light is incident at right angles to the film. what is the minimum distance from the slits to the screen when 580 nm light is used.
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