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An electric fan is running on HIGH. After fan has been running of 13.2 minutes, the LOW button is pushed. The fan slows down to 98 rad/sec in 1.83 seconds. The blades of the fan have a radius of 0.62 meters and their deceleration rate is 42.3 rad/sec2.
What was the initial angular speed of the fan in rev/sec?
(a) A clear image of an object is formed on the retina of a human eye. As the object moves closer to the eye, for a clear image to still be formed on the retina.
A bar magnet is oriented with its magnetic dipole moment at 38.5° to the direction of a 0.0145-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
A motorcycle and 58.0 kg rider accelerate at 2.8 m/s2 up a ramp inclined 10° above the horizontal. What is the magnitude of the net force on the rider
Laboratory in your city accidentally released some radioactive gas
The polarizing direction of the first sheet is parallel to the x axis, that of the second sheet is at an angle of 30 degree counter-clockwise from the y axis, and that of the initial third sheet is at an angle of 60 degree counter-clockwise from t..
Find out separation between the two sources
A 2.70-kg object is moving in a plane, with its x and y coordinates given by x=7t^2-3 and y=2t^2+3, Find the magnitude of the net force acting on this object at t=1.60s
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg, What is the dart's speed
During a stage production of Peter Pan, the 53.5 kg actress playing Peter has to fly in vertically (descend). To be in time with the music, compute the tension in the wire supporting the actor
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
A ball swings in a vertical circle at the end of a rope 1.50 m long. When the ball is 36.9° past the lowest point on its way up, determine the speed and velocity of the ball
a 27 kilogram block is being pulled up a ramp with a force of 250n. the ramp has an incline of 31 degrees above the
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