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Find the velocity diagrams at the mean, hub and tip diameters of an axial flow water pump based upon the free-vortex design. The mean diameter velocity diagram has an axial inlet with a flow coefficient of 0.3 and a work coefficient if -0.208. The tip diameter to mean diameter and the hub diameter to mean diameter ratios are 1.25 and 0.75 respectively. The blade velocity at the mean diameter is 60m/s .
Consider a simple pendulum with L = 2.4 m and m = 1.8 kg. Suppose the mass is initially at rest at the lowest point on its trajectory when it is given an impulse such that it then has a velocity of 0.17 m/s. What is the total mechanical energy of the..
A 204MeV photon is scattered at 39.8deg by a free proton initially at rest. Calculate the energy of the scattered photon
Two identical springs (neglect their masses) are used to "play catch" with a small block of mass 110g, Determine the spring constant of the two springs
Calculate the peak electric field inside a 645 Watt microwave oven under the simplifying approximation that the microwave propogates a plane wave through the oven's 740 cm2 cross-sectional area
A mass on a spring bobs up and down over a distance of 25 cm from the top to the bottom of its path twice each second. What are its period and amplitude
In opening the door, a person pushes at a point on the door 65 cm from the hinges with a force of 50 N that is directed at an angle of 75 degree with respect to the surface of the door
What is the period of this pendulum in the small angle approximation.
The cylinder by piston locked in place is immersed in a mixture of ice and water and allowed to come to thermal equilibrium with the mixture. The piston is then moved inward very slowly, that the gas is always in thermal equilibrium by the ice-water ..
A 1 Kg mass on a 37 degree incline is connected to a 3 kg mass on a horizontal surface. The coefficient of kinetic friction between all surfaces is 0.10 and the pulley is frictionless and applied force is F=12N.
A blackbody will emit less energy at higher frequencies.
The system below has friction at both contact points. What's the force vector applied to the 1 kg box by the 5 kg box?
A photographer uses his camera, whose lens has a 70mm focal length, to focus on an object 4.5m away. In which direction must the lens move to focus on this second object
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