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A centrifugal pump having a 6-in.-diameter impeller and the characteristics shown in Fig. 12.12 is to be used to pump gasoline through 4000 ft of commercial steel 3-in.-diameter pipe. The pipe connects two reservoirs having open surfaces at the same elevation. Determine the flowrate. Do you think this pump is a good choice? Explain.
A student, late for class, ran up some stairs between landings. The landings are 10.5 meter apart. Find the average power that the student was generating during the run
The following charges are located inside a metallic container on unknown shape: 4.40 uC, -5.40 uC, 69.0 uC, and 71.0 µC. Compute the net electric flux, in Nm2/C, during the container.
A ball is thrown horizontally from the top of a building with an initial speed of 12 m/s. how high is the building
Assuming the air in the heat exchanger acts as a heat sink having an average temperature of 25°C, determine the minimum power supplied to the heat pump, in kW
You are on an airplane traveling 30° south of due west at 180 m/s with respect to the air. What is the speed of the plane with respect to the ground
Your friend's mass is 70 .If she jumps off a 120--high table, how far does Earth move toward her as she falls
A solar cell provides an emf of 0.20 V. If the cell supplies a constant current of 21.5 mA for 8.0 h, how much electrical energy does it supply
1. An object is 10 cm from a lens. The resulting upright image is one - fifth as large as the object. What are the image distance and the focal length of the lens? An object is 8.0 cm from a lens. The resulting inverted image is one - fourth as la..
A rocket, away from all gravitational forces, accelerates upward at an acceleration of 12.8m/s^2. On its main deck is a crate with a mass of 81.6kg. a) How many forces act on the crate? b) Determine the Normal force on the crate, & c) What would the ..
A double convex thin glass lens has equal radii of curvature. Find the radius of curvature of each convex surface
A copper ball with a diameter of 5.00 cm is subjected to a pressure of 2.50 × 106 Pa. The bulk modulus for copper is 14.00 × 1010 N/m2. What is the change in the volume?
A block of mass m rests on a horizontal frictionless tabletop. The block is connected by a light rope that passes over a light frictionless pulley to a block of mass 12 kg that hangs suspended from the end of the rope.What is the mass of the block..
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