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A wire 6.70m long with diameter of 2.10mm has a resistance of 0.0250 ohm.
1) Find the resistivity of the material of the wire. (in ohm*meters)
find coefficient of kinetic friction between m1 and shelf.
a piano note is compared to a tuning fork vibrating at 440 Hz. Four beats per second are discerned by the piano tuner. What was the initial frequency of the piano wire
An object of mass m1 = 2.10 kg placed on a frictionless, Draw free-body diagrams of both objects, This answer has not been graded yet
Charge Q+ is located d units along y axis in positive direction north of O, What is magnitude of electric field at the origin O
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 65.3°. Find the dispersion of the slab
A street lamp weight 164N. It is supported equally by two wires that form an angle of 129 degrees with each other. What is the tension of each of these wires.
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
When light with a wavelength of 206 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 2.57 x 10-19 J. find the wavelength (in nm) of light that should be used to double the maximum kinetic energy of ..
A soccer player 'heads' the size 5 ball deflecting it by 46.0°, and keeps its speed of 15.90 m/s constant. A size 5 ball has a mass of approximately 0.421 kg. What is the magnitude of the impulse which the player must impart to the ball.
A charged rod carrying a negative charge is brought near two conducting spheres that are in contact with each other but insulated from the ground. If the two spheres are then separated, what charge does B have, positive, negative or neutral?
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
You have a 1200W microwave. When you put a cup of water in for 8 minutes only half evaporates. How efficient is your microwave
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