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A convex mirror has a focal length of -25.5 cm. Find the magnification produced by the mirror when the object distance is
(a) 8.7 cm and
(b) 18.8 cm.
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk and its speed at 1.42 cm from the axis of rotation
Calculate the period T and the tension in the string F as a function of the angle. Compute the moment of inertia of this system for an axis that passes through the combined center of mass and is perpendicular to the plane of the rings.
An object is placed L = 7.20 cm to the left of a converging lens of focal length 3.00 cm. What is the magnification due to the mirror
A simple harmonic oscillator consists of a block of mass 1.70 kg attached to a spring of spring constant 144 N/m. What is the amplitude of the oscillations
A 0.0017T magnetic field and a 5.7 x 10^3 N/C electric field both points in the same directions. Determine the magnitude and directions of the net force on the charge
A 2.3 L volume of ideal neon gas (monatomic) is at a pressure of 5.7 atmospheres and a temperature of 390 K. find The number of neon atoms in the gas
Two 50.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley, find the tension in the rope and chain
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
The ac generator in a series RCL circuit has an rms voltage of 81.3 V. What is the rms current in the circuit
Two conductors are joined by a long copper wire. Thus A) each conductor must be at the same potential. B) no free charge can be present on either conductor. C) each conductor carries the same free charge.
A battery having an emf of 11.10 V delivers 102 mA when connected to a 61.0 load. Find out the internal resistance of the battery.
You want to produce a magnetic field of magnitude 5.50×10?4T at a distance of 4.00×10?2m from a long, straight wire. What current is required to produce this field
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