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1) Kepler (mass M) is playing at the local park. Due to some fantastically convenient urban planning. there are two merry-go-rounds (MGR) right next to each other. Kepler starts by sitting on the edge of the small MGR (mass 2M). rotating with it at an angular velocity of wo.The large MGR (mass 4M) is currently stationary. The MGRs can be modeled as solid disks.
2.) Kepler hits the large MGR at the radius shown. She sticks Lo it (at that radius) and they begin to rotate. What is the angular velocity (wF) of the Kepler-Large-MGR system? Your final answer should be in terms of R and V only.
A positive charge q=3.2 x 10^-19 C 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. What angle does the force vector make relative to the positive x axis?
A French submarine and a U.S. submarine move toward each other during maneuvers in motionless water in the North Atlantic, What are the speeds of the U.S. and the French subs
How much work is done on the toboggan by the tension force? Explain how much work is done if the same tension is directed parallel to the snow?
A typical ten-pound car wheel has a moment of inertia of about 0.35 kg(m^2). What is the rotational kinetic energy of the rotating wheel
q1. a simple harmonic oscillator consists of a block of mass 1.80 kg attached to a spring of spring constant 107 nm.
A proton, mass 1.67 x 10^-27 kg, is projected horizontally midway between two parallel plates that are separated by 0.30 cm, find minimum speed of the proton that just misses the lower plate as it emerges from the field
for alpha particles of energy 7.68 mev scattered from a platinum foil two microns thick find a the collision diameter b
A disk with a rotational inertia of 5.6 kg?m2 and a radius of 0.53 m rotates on a frictionless fixed axis perpendicular to the disk, The angular acceleration of the disk in rad/s2 is:
A particle is executing simple harmonic motion with an agular frequency w=27.8Hz. What are respectively the period and frequency of this vibration?
A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 34° C from 189° C, What was the net radiant power of the baking dish
a uranium and iron atom reside a distance r 44.90 nm apart. the uranium atom is singly ionized the iron atom is doubly
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm . You plan to tighten the plugs by pulling on the end of a 30-cm-long wrench. With what force must you pull
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