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Water enters a pump impeller radially. It leaves the impeller with a tangential component of absolute velocity of 10 m/s. The impeller exit diameter is 60 mm, and the impeller speed is 1800 rpm. If the stagnation pressure rise across the impeller is 45 kPa, determine the loss of available energy across the impeller and the hydraulic efficiency of the pump.
Discuss the postulates and implications of Albert Einstein's Special Theory of Relativity on the way that scientific data is collected and analyzed
A motor turning at 10 rad/s at a constant acceleration of 5 rad/s^2. Determine how many radians does it turn through while acceleration
Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 {rm cm}. An electron is released from rest at a point midway between the charges and moves along the line connecting them. What is the electric potential energy of the..
A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.16 s. What is its initial velocity
the secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. the turns
At what position is the third bead in equilibrium? Can it be in stable equilibrium.
A ray of light strikes a thick sheet of glass (n = 1.5) AT AN ANGLE OF 25o with the normal. Compute the angle of the ray reflected off the glass surface with respect to the normal
Consider the H beta line of the Balmer series for hydrogen. Calculate the photon energy for this H beta line
A uniform meter stick is in static rotational equilibrium when a mass of 220 g is suspended from the 5.0-cm mark, What is the mass of the meter stick
The bullet remains embedded in the block, which is observed to slide a distance 0.280 m along the surface before stopping. What was the initial speed of the bullet?
A boy of mass 48.7 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 11.1 m/s. discover the final velocity of the skateboard.
Find the potential 1.18 cm from a proton. The Coulomb constant is 8.9876 × 10^9 N m^2/C^2 and the elemental charge is 1.602 × 10^?19 C
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