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A bicycle wheel, of radius 0.31 meter and mass 2 kilogram (concentrated on the rim), is rotating at 4.11 rev/s. After 46 second the wheel comes to a stop because of friction. Obtain the magnitude of the average torque due to frictional forces?
A jet flying at 132 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 1.88 105 kg
A soccer player horizontally kicks a ball of mass 0.608 Kilogram which is initially at rest. The player's foot is in contact with the ball for 253.1 ms. Find the acceleration of the ball as it was kicked
a cylindrical resistor of length l 2 cm is constructed from an inner cylindrical core of radius r1 3.0 mm made from
Description of Physics - Mechanics - Force, A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3.00 m
The Earth can produce the downward electric field of 150 N/C around its surface. Assume this electric field is uniform through the atmosphere. Estimate the net charge of the Earth
An explosion break an object into two pieces, one of which has 3.70 times the mass of the other. find how much kinetic energy did each piece acquire
You are on a ferries wheel. You wonder about the motion of the ride. You calculate the radius of the big wheel to be 15 meter, Find your speed and magnitude of your acceleration
In an amusement park ride called The Roundup, passengers stand inside a 16.0 -diameter rotating ring. Suppose the ring rotates once every 5.40 . If a rider's mass is 57.0 , with how much force does the ring push on her at the top of the ride
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window in one hour
the immediate cause of many deaths is ventricular fibrillation an uncoordinated quivering of the heart as opposed to
The power brick for the author's laptop computer has a power rating of 60 W. It uses a step-down transformer to convert the AC voltage from a wall socket (Vrms = 120 V) to a value near 12 V.
a particle moves in the xy plane with constant acceleration. at time zero the particle is at x 7.0 m y 7.0 m and has
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