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You are riding a train as it rounds a curve of radius 400 meter at a constant speed. A chandelier suspended from the ceiling swings out to an angle of 17.0 degree throughout the turn. Obtain what is the speed of the train?
a plastic rod has been bent into a circle of radius r 5.10 cm. it has a charge q1 3.60 pc uniformly distributed along
A slingshot fires a pebble from the top of a building at a speed of 5.0 m/s. The building is 20.0 m tall. Ignoring air resistance, Discover the speed with which the pebble strikes the ground when the pebble is fired horizontally.
What is the repulsive electrical force between two protons 4.0×10?15m apart from each other in an atomic nucleus
A mixture of 150 g of ice and 300 g of water is at 0 degressC. How many joules f heat energy must be transferred to brind thismixture to a final temp of 75 degress C
An electric dipole of dipole moment = (5 × 10-10 C.m) is placed in an electric field = (2 × 106 N/C) +(2 × 106 N/C)
An object at rest explodes into three pieces. Two of them are equal in mass and break off at an angle of 88.7° to each other, both by a speed of 33.4 m/s. The last piece has 4 times as much mass as each of the other pieces. What is the magnitude of t..
A toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.03m/s in a horizontal circle. If the angle the string makes with the vertical is 27°, and the tension of the string is 1N.
An elevator car of mass 810 kg falls from rest 2.70 m, hits a buffer spring, and then travels an additional 0.350 m, What is the force constant of the spring
two locomotives approach each other on parallel tracks. each has a speed of v 80 kmh with respect to the ground.if
An FM radio station of frequency 96.7 MHz puts out a signal of 29900 W. How many photons per unit time are emitted
The magnetic field perpendicular to a single13.2 cm diametercircular loop of copper wire decreases uniformly from .750 T tozero. how much charge moves past a point in the coil during this operation
suppose that a particle accelerator is used to move two beams of particles in opposite directions. in a particular
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