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A hydroelectric turbine makes 25900 revolutions in one day.
Part A
What's its angular velocity?
Express your answer with the appropriate units
The angular velocity of the rotor changes from ω0=300rad/s to ω1=150 rad/s'> in a time interval Δt1=2.0 minute'> as the rotor slows to rest at constant acceleration. Find how many revolutions do the blades make in coming to rest from the initial ve..
A beam of light traveling in air strikes the surface of mineral oil at an angle of 20.7° with the normal to the surface. find the index of refraction of mineral oil
A speedboat increases its speed uniformly from v1 = 20 m/s to vf = 25 m/s in a distance of 2.40 102 m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors.
It is used to push a 0.50 kilogram block 50 centimeter along a horizontal frictionless track then up theta=30o incline which has a kinetic friction coefficient of 0.10. Compute how high above the track does the block rise
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A very large truck sits on a frozen lake. Assume there is no friction between the tires and the ice. A fly suddenly smashes against the front window. What will happen to the truck?
The figure below shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same wavelength λ and same amplitudes, and they emit in phase. A point P is shown on the x axis. Suppose that as the so..
A 100 MeV particle decays into two particles. one of these two particles has a mass of 10 MeV and a speed of 3/5. what was the inital particle's speed
Two events occur in an inertial system K at the same time, however 4km apart. What is the time difference gauged in a system K’ moving parallel to these two events when the distance separation of the events is gauged to be 5km in K’?
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m;m above the ground. He then falls onto a thick pad. The top of the pad is 80 cm{rm cm} above the ground, and it compresses by 50cm;cm as he comes to rest
Two long, straight wires that are suspended from a ceiling. The mass per unit length of each wire is 0.071 kg/m. Each of the four strings suspending the wires has a length of 1.2 m. When the wires carry identical currents in opposite directions, t..
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