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A violin string which is 30.4 cm long is tuned so that its pitch isconcert A which is 440Hz. I can effectively shorten the string byplacing my finger on it and pressing it down. How far from the endof the string should i put my finger if i want the pitch of thenote to be 501 Hz? (give the distance from the end where the woodentuning pegs are located) Assume the tension remains the same.
Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 2 cm, the other a focal length of 1 cm. What will be the magnification of your microscope
A 4.35-g bullet is moving horizontally with a velocity of +342 m/s, where the sign + indicates that it is moving to the right, What is the velocity of the second block after the bullet imbeds itself
a diffraction pattern forms when light passes through a single slit. the wavelength of the light is 665 nm. determine
A ball is shot from the top of a building with an initial velocity of 20 m/s at an angle ? = 44° above the horizontal. If a nearby building is the same height and 55 m away, how far below the top of the building will the ball strike the nearby build..
A 10 micro falad capacitor is charged so that the potential difference between its plates is 10 v. How much energy is lost when the two capacitors are connected together
Three equal point charges, each with charge 1.30 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.600 m. Evaluate the electric potential energy U of the system?
A motercycle has a mass or 2.50*102 kg. a constantforce is excerted on it for 60.0s. What is the change in momentum
The horsepower rating commonly used for engines indicates the rate at which they can do work. What amount of work does the engine do on each cycle
A 0.75 H inductor is in series with a fluorescent lamp, and the series combination is across the 120 V rms, 60 Hz power line. Calculate the resistance of the lamp
A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V, What is the rms current in the circuit
The distance between between the 1st and 10th minima of a double-slit system is 18 mm, find the wavelength of light generating the interference pattern
When in deep space, the block accelerates at 4.2 m/s^2 even as a 120 N force is applied to it. The coefficient of static friction for a particular plane and this block is 0.31. What angle can this plane make with horizontal before the object starts t..
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