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A 90 kg (900 N) mountaineer uses a nylon rope that is 55 m long and 1.0 cm in diameter.
1. If the full weight of the mountaineer is held by the rope, what is the stress of the rope?
2. Is nylon strong enough to not rupture under that stress?
3. If the full length of the rope is used, how much does it stretch?
A 14.0 V battery is connected in series by a resistor and an inductor. The series circuit has a time constant of 600 µs, and the maximum current is 303mA. What is the value of the inductance?
The wavelength of violet light is about 430 nanometers, or 4.30 10-7 m. The frequency of the violet light reflected from a metal surface and thefrequency of the vibrating electron that produces it are the same.What is this frequency?
A generator uses a coil that has 330 turns and a 0.34-T magnetic field. determine the length of the wire from which the coil is made
A block of weight w = 35.0N sits on a frictionless inclined plane, which makes an angle θ = 29.0° with respect to the horizontal, as shown in the figure. (Figure 1) A force of magnitude F = 17.0N , applied parallel to the incline, is just suff..
Two small identical conducting spheres are placed with their centers0.48m apart. One is given a charge of10multiplied by10-9C, Find the electrostatic force exerted on one sphere by the other
two students are on a balcony 20.2 m above the street. one student throws a ball vertically downward at 13.3 ms at the
A 1.5 meter tall woman stands 5 meter in front of a camera with a 4 centimeter focal length lens. Evaluate what is the size of the image formed on film
A device has a resistance of 240 ohms for a potential difference of 120 volts. What is the current
please write down the general wave equation in fluid and solid. show the simple solution of the wave equations and
An 8.0 kg block is released from rest, v1 = 0 m/s, on a rough incline, which has an angle of 40 from the horizontal. How much work gravity do on the block during this process
two small objects a and b are fixed in place and separated by 3.03 cm in a vacuum. object a has a charge of 2.04 microc
A coil has 400 turns and self-inductance 3.5 mH. The current in the coil varies with time according to i=(680mA)cos[(πt)/(0.025s)], Find the maximum average flux through each turn of the coil
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