What will br the spl of the sound heard by the listener
Two sound of 4W and 10W power are produced at ground level at a distance of 10m and 20m respectively from a listener. If the ground is level, unobstructed and non-absorbing, what will br the SPL of the sound heard by the listener?
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A 2.0µF capacitor and a 4.0µF capacitor are connected in series across 1000 V. The charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. Find the charge on each capac
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There are 3 coins in a box. One is a two-headed coin, another is a fair coin, and the third is a biased coin that comes up heads 75 percent of the time. When one of the 3 coins is selected at random and flipped, it shows heads. What is the probabi
Two sound of 4W and 10W power are produced at ground level at a distance of 10m and 20m respectively from a listener.
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. What is the total deflection of the ray, given that the index of refraction of the prism material is 1.50 ?
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A 150 N sled is pulled up a 28o slope at a constant speed by a firce of 100 N. What is the coefficient of kinetic friction between sled and slope?
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