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A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.884 A) sin [(333 Hz)t].
(a) What is the frequency of the alternating current?
(b) Determine the resistance of the bulb's filament.
(c) What is the average power delivered to the light bulb?
a narrow charged solid cylinder that is coaxial with a larger charged cylindrical shell. Both are nonconducting, What is the linear charge density of the shell
The average lifetime of a pi meson in its own frame of reference (i.e., the proper lifetime) is 2.6 10-8 s. What distance would it travel
The cable lifting an elevator is wrapped around a 1.0-m-diameter cylinder that is turned by the elevator's motor. How long does it take for the elevator to stop
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 210 mi/h in 3.00 s. (a) Find the average acceleration of the plane. m/s2 (b) Assuming the acceleration is constant, find the distance the plan..
how much work is done by the electric field as a third charge q3 = +2.19 nC is moved from point a to point b. (q1 = +9.41 nC, q2 = -9.41 nC)
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. Find the acceleration of the box
A circular coil of wire with 200 turns and a radius of 30 cm is laying flat on a horizontal wooden table. find the magnitude of the magnetic flux through the coil
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a substance has a density of p=200kg/m3. what is the mass of the box full of substance?
A particle leaves the origin with an initial velocity v(bold)=2.4m/s xhat, How far does the particle move in the x direction before it turns around
A proton has a mass of 1.67 x 10^-27 kg and a charge of 1.60 x 10^-19 C. What is the gravitational force on a single proton at Earth's surface.
After catching the ball, Sarah throws it back to Julie. The ball leaves Sarah's hand a distance 1.5 meters above the ground, What is the speed of the ball when it leaves Sarah's hand
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