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A ball of clay of mass m travels with velocity v in a path tangent to a disk of Radius R and mass M. The clay collides with the disk tangentially to its outer rim (a totally inelastic collision) and the clay and disk begin to spin about the axis.
a) What is the final angular speed of the clay and disk? (Don't forget to include the mass m after the collision)
b) If the clay had collided with the rim at an angle of 30 degrees to the tangent line, what would the final angular speed be then?
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Two converging lenses, each of focal length 14.9 cm, are placed 39.4 cm apart, and an object is placed 30.0 cm in front of the first lens. What is the magnification of the system
Michael Phelps won a gold medal at the 2008 Beijiing olympics by swimming the 200 meter medley in 1:54:80. On an off-day Mike swims the medley in 1:58:32. What is the speed in mph? (Give the ans. to two decimal places)
A particle with a positive charge 2e moves with a velocity V= (2i + 3j - k) m/s through a region where both a uniform magnetic field and a uniform electric field exist. Calculate the total force on the moving particle
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mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy.
A vacuum cleaner is plugged into a 120.0-V socket and uses 2.4 A of current in normal operation, Find the coil resistance of the motor
A spherical shell has an outside radius of 2.45 cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.74 g/cm3. What is this maximum mass
The donor paid gift tax of $14,000 on the transfer. If Laura later sells the property for $110,000, illustrate what is her recognized gain or loss?
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