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A wind turbine is initially spinning at a constant angular speed.As the wind's strength gradually increases, the turbine experiencesa constant angular acceleration 0.141 rad/s2. Aftermaking 2840 revolutions, its angular speed is 141 rad/s.
(a) What is the initial angular velocity of the turbine?
(b) How much time elapses while theturbine is speeding up?
A high powered 20.0 megawatt laser of beam diameter 6.00cm hits 100% absorptive, find how far the disk moves before the laser momentarily stops its motion
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A small package rests on the horizontal dashboard of a car. If ?s = 0.275, what is the minimum acceleration of the car that will cause the package to slip off
a uniform current density of 2.0 ampsm2 is flowing down a cylindrical region of radius 3.0 meters.a use amperes law to
a 3.1 microc is at x 0 and a -2.0 microc charge is at x 4.2 cm. let v 0 at r infinity.a at what point along the
a driver involved in an accident claims he was going only 42 mph. when police tested his car they found that when his
Three 17--long rods form an equilateral triangle. Two of the rods are charged to + 16 , the third to - 16 . What is the electric field strength in the middle of the triangle
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, what is the surface temperature and relative humidity on the leeward side of the mountains
A chick farmer decides to increase the size of her flock from500 chickens to 2000 chickens. estimate how much louder will the sound be
A .005 kg block having a velocity of 500 m/s hits a 5 kg wooden block at rest on a horizontal at an angle of 30 degrees from the horizontal
Steel rails 25.0m long are laid end to end with gaps between them to account for thermal expansion. Part A If the track is laid when it's 18 degrees C, how large should the gaps be to allow temperatures up to 39 degrees C?
A 368 kg car moving at 16.4 m/s hits from behind another car moving at 11.1 m/s in the same direction. what is the velocity of the first car after the collision
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