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A 43 kg flywheel with a radius of gyration of 0.20 m is supported on a single bearing at its center of rotation. The flywheel is spinning at a speed of 16 rads/s when a loss of lubrication causes the coefficient of friction between the 100 mm diameter bearing and flywheel to increase to mu(k)=0.30. Determine the time required for the friction to stop the flywheel from rotating. Also determine the angular displacement in this time period.
t=______________________________
theta=________________________
A Japan Airlines Boeing 747 accelerates from rest to lift-off speed of 78.51 m/s in 28.20 s. What is the mass of the plane
A 60 gram iron at 60o C is dropped into 200 gram of water at 20o C, What is the final equalibrium temperature of the system
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
A uniform rod of mass 3.05×10^-2?2kg and length 0.370m rotates in a horizontal plane about a fixed axis through its center, compute the angular speed of the rod after the rings leave it
A 650-kg car stopped at an intersection is rear-ended by a 1720-kg truck moving with a speed of 22 m/s. find the final speed of both vehicles after the collision
A glass flask whose volume is 1000cm3 at a temperature of 0.500?C is completely filled with mercury at the same temperature. compute the coefficient of volume expansion of the glass
A converging lens has focal length 10 cm. How far from the lens should the object be placed to form a virtual, upright image twice as large as the object
What is an average speed of the runner
A wheel starts to rotate with constant acceleration and in 1minute performs 1000 rotations. Find acceleration and final speed of the wheel
A 40-g bullet leaves the muzzle of a gun at a speed of 300 m/s. If the barrel of the gun is 12 cm long, what is the force acting on the bullet while it is in the barrel.
When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 14.0 m/s, at an angle of 30.0° above the horizontal. What is the range of his leap
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
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