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Consider a Ferris wheel in which the chairs hang down from the main wheel via a cable. The cable is 2.0 m long and the wheel is 24 m in diameter. When a chair reaches the 3 o'clock position (when viewed from the side), the cable makes a 20 degree angle with the vertical. Find the speed of the chair.
A 37.0-kg child swings in a swing supported by two chains, each 3.06 m long. The tension in each chain at the lowest point is 436 N. Find the child's speed at the lowest point
q1. horse races once around a circular track in a time of 176 s with a speed of 26 ms. what is the radius of the
Two charges q1 = 1.1 10-8 C and q2 = -4.8q1 are placed 50 cm apart. Find the point along the straight line passing by the two charges at which the electric field is zero, as measured from q1.
suppose that visible light enters a Plexiglas cube containing water at a 20o angle of incidence, travels through the water and exits the cube.
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
A 60 ohm resistor is connected in series with a 30x10^-6 capacitor and a generator having a maximum voltage of 120 volts, what is the phase angle of the circuit
Estimate the force exerted on your fingertip if you place it at this point. Assume area of the fingertip to be 1.4cm^2
A ball is thrown downward of a 50 meter high building with a speed of 10 m/s. In what height do the balls meet
A particle moving at a speed of 0.92c is observed to have a mass of m=1682 MeV/c^2. Determine the rest mass Mo of the particle in kg
Two large parallel plates are separated by 0.90cmand carry uniform charge densities equal in magnitude and opposite in sign, Find the magnitude of the charge density on the plates
A small object with a mass of m = 808 g is whirled at the end of a rope in a vertical circle with a radius of r = 128 cm. determine the tension in the rope
What is the coefficient of kinetic friction between sled and incline? (Enter 0 if sled does not move.)
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