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A solid disk of mass M=3kg and radius R=.05m rotates around an axis which is perpendiuclar to the plane of the disk and passes through its center. It has a kinetic energy of K=0.2J
(i) What is the kinetic energy of the disk if it roatates about a parallel axis through its perimeter at the same angular velocity?
(ii) What is the anguar momentum of the disk if it rotates about a parallel axis through its perimeter at the same angular velocity?
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.415 kg hammer during a 1.20 ms collision
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
Calculate the classical momentum of a neutron traveling at 0.997c, neglecting relativistic effects
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
q1. two balls are rolled off a tabletop that is 0.88 m above the floor. ball a has a horizontal velocity of 5.0 ms and
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
a rocket explodes into three pieces of equal mass. immediately after the explosion their velocities are 120 ms south
1. a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.94 cm. if the spring
A 3.25 g bullet picks up an electric charge of 1.55 µC as it travels down the barrel of a rifle. find the magnitude of the magnetic force on the bullet
A train moving with a constant velocity of 25.6 m/stravels 132 m north in 14.1 s and an undetermined distance to the west. How far west has the train traveled in this time
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. At what speed does a transverse wave move along the cable
Nonrenewable energy means sustainable energy, and a sustainable energy future is one that does not include significant dependence on fossil fuels.
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