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An inductor and a resistor are connected in series. When connected to a 60 Hz, 90 V (rms) source, the voltage drop across the resistor is found to be 46 Volt (rms) and the power delivered to the circuit is 14 Watt.
(a) Find the resistance.
R =
(b) Find the inductance.
L = H
parallel-plate capacitor with area 0.500m^2 and plate seperation of 2.00mm is connected to a 9.00-V battery. Find the magnitude of the charge density on each plate
A gardener pushes a box of tools across a driveway by applying a 22.5- N force that pushes downward at an angle of 23.1 o, How much work is done if the box moves 2.55 m in the horizontal direction
A long solenoid has 1400 turns per meter of length, and it carries a current of 3.5 A. Find the torque exerted on the coil
Consider a person on the moon who launches herself into a standing broad jump at 45 degrees. The average force generated during launching is, compute the maximum height of the jump
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a point charge with charge q1 3.60e-6 is held stationary at the origin. a second point charge with charge q2 -4.10e-6
a vertical spring is 10.0 cm long when supporting a 20.0 kg mass and it is 12.0 cm long when supporting a 32.0 kg mass.
Two runners approaching each other on a straight track have constant speeds of 4.50m/s and 3.50m/s, respectively, whenthey are 100m apart. How long will it take for the runners tomeet, and at what position will they meet if they maintain these speeds..
the electric potential at the center of a square is -3 v when a charge of -q is located at one of the squares corners.
A pendulum consists of a mass m = 0.120 kg hangingfrom a flexible string of length L. Find the oscillation frequency of the pendulum
A small block sits on the top of a fixed frictionlesshemisphere of radius R = 9 meters. If the block is given ainitial horizontal velocity of v = 7 m/s. determine the speed of the block at this point
An archer lines up an arrow on the horizontal exactly dead center on a target. She releases the arrow, and it strikes the target a distance h=7.6cm below the center. how long was the arrow in the air before striking the target
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