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An aluminum airplane has a wingspan of 11.43 m on the ground where the temperature is 27 degrees C. How much shorter will its wingspan be when it is at an altitude where the temperature is -35.8 degrees C?
liquid crystal display lcd projectors have a small lcd screen inside of them. this emits light and serves as the object
A capacitor has a potential difference of 2230V between its plates. A short aluminum wire with initial temperature 23.0 degrees C is connected between the plates of the capacitor, What is the capacitance of the capacitor
a 195-watt light bulb uses an average power of 195 w when connected to an rms voltage of 120 v.a what is the resistance
Find the wavelength of the wave on string A Find the speed of the wave on string B. Find the wavelength of the wave on string B. Write the equation of the wave on string A, putting in values Ion all parameters.
A potter's wheel a thick stone disk of radius 0.500 meter and mass 125 kilogram is freely rotating at 50.0 rev/min. Determine the effective coefficient of kinetic friction between the rag and the wheel
During strenuous exercise it is possible to exert forces to the joints that are easily ten times greater than the weight being supported. What is the maximum force of friction under such conditions?
Suppose that the wavelength measurement gives lambda = 6000Å with an accuracy of delta lambda/lambda=10^-6. Determine the de Broglie wavelength of a photon with a KE of 50 keV
A thin uniform rod (length = 1.29 m, mass = 1.95 kg) is pivoted about a horizontal frictionless pin through one of its ends. What is the angular acceleration of the rod at the instant it is released
A uniform 100.0g, one-half-meter stick is suspended by a short chain of negligible mass passing through a small hole at the top end of the stick, and is it hanging vertically. At some point 10.0g piece of gum moving at 2.5m/s in horizontally hits ..
An alpha particle (helium nucleus) moves in a particle accelerator where the potential difference is 2.5 MV. If it starts from rest, obtain the final speed of the alpha particle
(a) how far (in km) and (b) in what direction should it walk (relative to the positive direction of the x axis within the range (-180°, 180°])?
A capacitor can be made from two sheets of aluminium foil separated with a sheet of waxed paper. If the sheets of aluminium are 0.30 m by 0.32 m and the waxed paper, of slightly larger dimensions, is of thickness 0.030 mm and dielectric constant = 2...
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