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An electrical cable consists of 184 strands of fine wire, each having 3.47 µ? resistance. The same potential difference is applied between the ends of all the strands and results in a total current of 0.847 A.
(a) What is the current (in A) in each strand?
(b) What is the applied potential difference?
(c) What is the resistance of the cable?
A particular banana contains 385 mg of potassium, of which a small fraction is the radioactive isotope _19^40 text (K) (see Appendix B). Approximation the activity of this banana because of _19^40 text (K).
A person sees a heavy stone strike the concrete pavement. A, moment later two sounds are heard from the impact: How far away did the impact occur
A 60.0 resistor is connected in parallel with a 116 resistor. This parallel group is connected in series with a 20.0 resistor. The total combination is connected across a 15.0 V battery.
If the converging lens in a slide projector has a focal length of 104.00 mm and the slide is located 109 mm from the lens, Determine the dimensions of the image of the slide
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. how fast is the roller coaster traveling at the bottom of the dip
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
Consider a balloon containing nitrogen molecules at room temperature (20°C) and atmospheric pressure. what is the number of molecules in the balloon
A huge explosion is heard 77.7 miles away. How long does it take the sound to travel that far
An aluminum rod is clamped one quarter of the way along its length and set into longitudinal vibration by a variable-frequency driving source. The lowest frequency that produces resonance is 4300 Hz. The speed of sound in an aluminum rod is 5100 m..
The heat of vaporization of ethyl alcohol is about 200cal/g. If 1.30 kg of it were allowed to vaporize in a refrigerator, how various grams of ice would be formed from 0°C water.
A second skater initially at rest with a mass of 58.4 kg catches the snowball. What is the velocity of the second skater after catching the snowball in a perfectly inelastic collision
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
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