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A 97.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.67 rad/s. A monkey drops a 8.61-kg bunch of bananas vertically onto the platform. They hit the platform at 4/5 of its radius from the center, adhere to it there, and continue to rotate with it. Then the monkey, with a mass of 22.1 kg, drops vertically to the edge of the platform, grasps it, and continues to rotate with the platform. Find the angular velocity of the platform with its load. Model the platform as a disk of radius 1.63 m.
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h when the engineer spots a cow on the track. What is the magnitude of the train's acceleration
A boy whirls a stone in a horizontal circle of radius 1.2 m and at height 2.0 m above ground level. find the magnitude of the centripetal acceleration of the stone
Examine whether it is reasonable to ignore the effects of gravity for each particle. Evaluate the paths travelled by electron and proton and explain the differences.
When the cylinder is rotating at 2.0 revolutions per second, determine the magnitude of the centripetal acceleration at the outer wall?
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.590 T over a region of radius 1.40 m, What is the cyclotron frequency
A rope of length L = 5.2 m with a total mass of m = 0.205 kg is tied to a hook rigidly mounted into a wall. What is the height of the pulse that returns
A hot air balloon decends toward the ground with a velocity of (1.6 m/s)y hat. A champagne bottle is opened to celebrate takeoff, How long does the cork remain in the air
Fixed in the frame F is a sheet of charge, of uniform surface density sigma, which bisects the dihedral angle formed by the x-y and the y-z planes. What is the surface charge density sigma prime
An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
A parallel plate capacitor has a capacitance of 8.0 µF when filled with a dielectric. estimate the dielectric constant of the dielectric
a 0.346kg glider moves along a frictionless level air track tugged by a mass of 0.050kg suspended vertically over a pulley
A piece of unpainted wood barely floats in a container partly filled with water. If container is sealed and then pressurized above atmospheric pressure, does the wood rise, sink, or remain at the similar level.
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