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A Pelton impulse turbine has blades designed so that the direction of the incoming water jet with speed u is reversed. If the speed of the blades is u_c then, relative to the blade, the magnitude of the total change in the velocity of the jet is 2(u- u_c).
If the flow of water is Q m^3s^-1 find expressions for the force on the blade and the power produced. Hence determine the maximum power output.
A wave function of a single electron system is a function of how many and what variables? How many and what variables are a wave function for a triple electron system
A transparent sphere of unknown composition is observed to form an image of the Sun on the surface of the sphere opposite the Sun. Find the refractive index of the sphere material
Upon being struck by 240 nanometers photons, a material ejects electrons with a maximum kinetic energy of 1.44 eV. Obtain what is the work function of this material
A platform diver follows a parabolic trajectory during one of her dives. calculate the velocity and angle of takeoff of the diver
question1drawing velocitytime graphs of the following motions-a a city bus that is moving with a constant velocityb a
In the hydrogen atom the radius of orbit B is 16 times greater than the radius of orbit A. What is the total energy of the electron in orbit B
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 25 m/s, Compute what is the angle that the string makes
A spring with a spring constant 15.0 N/m hangs from the ceiling. A 300g ball is attached to the spring and allowed to come to rest, What is the amplitude f oscillations after 2.0 minutes
A 10 kg dog is standing on scale in an accelerating elevator. If the scale reads 5 kg, what is the acceleration of the elevator
An inductor has the form of a coil with 1750 turns and a diameter of 1.3 mm. The inductor is placed in a magnetic fieldperpendicular to the plane of the coil and increasing at a rate of0.31 T/s.
A cubic box of volume 4.2 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. What is the net force on each side of the box
A doubly charged ion is accelerated to an energy of 34.0 keV by the electric field between two parallel conducting plates separated by 2.00 cm
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