A spelunker cave explorer drops a stone from rest into a
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone striking the bottom is heard 1.28 s after the stone is dropped. How deep is the hole?
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A particular metallic element, M, has a heat capacity of 0.36 J * g^-1 * K^-1. It forms an oxide that contains 2.90 g of M per gram of oxygen. (a) Using the law of Dulong and Petit (Cp x M = 25 J per mole per Kelvin), estimate the molar mass of th
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An elevator is moving upward at a constant speed of 2.50 m/s. A bolt in the elevator ceiling 3.00 mabove the elevator floor works loose and falls. How long does it take for the bolt to fall to the elevator floor
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, How deep is the hole
A singly charged positive ion has a mass of 2.53 10-26 kg. After being accelerated through a potential difference of 238 V, Calculate the radius of the path of the ion in the field
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A 6.00kg block is pushed 9.25m up a smooth 39.0? inclined plane by a horizontal force of 73.0N. Calculate the initial kinetic energy of the block
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