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An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad / s). If a particular disk is spun at 675.4 rad / s while it is being read, and then is allowed to come to rest over 0.301 seconds, what is the magnitude of the average angular acceleration of the disk?
If the disk is 0.12 m in diameter, what is the magnitude of the linear acceleration of a point 1/7 of the way out from the center of the disk?
A 0.410 kg pendulum bob passes through the lowest part of its path at a speed of 3.13 m/s. What is the tension in the pendulum cable at this point if the pendulum is 76.2 cm long.
A rope exerts a constant horizontal force of 250N to pull a 60 Kg crate across the floor.
In the meantime, the velocity of airplane Q relative to the air is 250 m/s in the direction of N 20o W. What is the speed of airplane Q relative to the airplane P.
A large arm model was constructed with a free arm which weights 1 kg, an additional weight of 1 kg is supported by the arm at a distance of 12 cm from the pivot. What is the total torque of the resistance
What is the maximum speed of the ball.
A horizontal beam of electrons initially moving at 4.1 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
How far from the firing point is the height of the projectile.
An air-track glider attached to a spring oscillates between the 12.0cm mark and the 63.0cm mark on the track. What is the maximum speed of the glider
For the cases in which total internal refection is possible from either the top or bottom surface of a layer, determine the amount by which the angle of incidence exceeds the critical angle.
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, Determine the value of z0
an inductor that has a resistance of 40 ohm is connected to an ideal battery of 224V. Calculate the inductorace
A mountain climber jumps a 3.0m wide crevasse by leaping horizontally with the speed of 8.00 m/s. If the climber's direction of motion on landing is 45 degrees, what is height difference between the two sides of the crevasse? Where does the climbe..
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