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A. If a 3.2 millifarad capacitor with an initial charge of 0.248 Coulombs is placed into a circuit with a 500. ohm resistor, what will be the charge remaining on the capacitor after 2.5 seconds? (there is no power supply in this circuit)
B. A generator consists of one thousand loops of wire, each enclosing an area 90.cm^2, rotating 50. times per second in a uniform field of 0.15T. Write the EQUATION of the instantaneous voltage output as a function of time. Determine the value of effectvie output voltage (Erms)
C. Two long parallel wires carry currents of 20. A and 5.0 A in opposite directions. The wires are separated by 20. cm. What is the magnetic field midway between the two wires?
Find out the edge dimension of each cube. Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. find the volume of each cube.
A convex mirror has a focal length of -48.0 cm. A 12.0-cm-tall object is located 36.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the location of the image. Note that the mirror must be drawn to scale
If air resistance & other effects are ignored how far away did the shell hit.
Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional enhancement in length is to be the similar as that of the spider's thread.
Two uniform, solid disks are rotating freely about the same axis. Then they are linked together without the aid of any external influences. Before being connected.
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. Suppose that the total distance moved by your car during these two phases is 50.6 m when its initial speed is 79..
I hold a flat mirror 24.6 cm in front of my face. There is a freckle on my face 1 mm in diameter. Find the angular size of the freckle on the image of my face as viewed by my eye
Four objects are situated along the x axis as follows: a 1.70kg object is at -0.9m, a 1.60kg object is at 0.2m, a 2.4-kg object is at the origin, and a 2.50kg object is at -1.10m.
A 75-W, 120-V bulb is connected in parallel with a35-W, 120-V bulb. What is the net resistance
A small body of mass 0.28 kg is undergoing simple harmonic motion of amplitude 4.0 cm and period 0.10 s. What is the maximum value of the force acting on it? If the oscillations are produced by a spring, what is the spring constant?
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
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