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A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.00 rad/sec2 acquires an angular velocity of 5.00 rad/sec. The CD continues rotating at 5.00 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular deceleration. What is the angular distance traveled by a point 4.00 cm from the center, at the time 25.0 seconds from the start
Three point charges, A = 1.80 µC, B = 7.50 µC, and C = -3.80 µC, are located at the corners of an equilateral triangle, Find the magnitude (N/C) at point A, and the direction in degrees counterclockwise from the positive x-axis
q. a solid nonconducting sphere of radius r has a positive charge q distributed uniformly throughout its volume. since
A technician wraps wire around a tube of length 37 cm having a diameter of 8.3 cm. If the current in this solenoid increases at the rate of 2 A/s, what is the self-induced emf in the solenoid
Trin has been prescribed bi-focals because his near point is at 2 m instead of 25 cm and his far point is at 10 m instead of infinity. Describe what's wrong with his eyes
A 3.50e-6 F capacitor accumulates 51 ?C of charge when connected to a battery. What is the battery's voltage
A beam of unpolarized light in air strikes a flat piece of glass at an angle of incidence 54.2 degrees. what is the index reflection of the glass
A heat engine operating at maximum efficiency has an efficiency of 25%. The temperature of the cold reservoir is 300 K. What is the temperature of the hot reservoir
suppose the resistance between the hands is due entirely to the skin. what is the resistivity of skin
A cardinal (Richmondena cardinalis) of mass 4.00×10?2 and a baseball of mass 0.141 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
Consider an AC power supply that provides a voltage of 27sin(119t)volts, where t is in seconds. The power supply is hooked up to a 195 resistor. What is the mean current through the resistor
A quarter-wave plate is made from a piece of calcite with its optic axis oriented paralle to its surface, Determine the thickness of the plate in terms of the wavelength of the radiation and the two refractive indices
The left end of a long glass rod 6.00cm in diameter has a convex hemispherical surface 3.00cm in radius. obtain the refractive index of the liquid
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