Au-tube is filled with water until the liquid level is 28cm above the bottom of the tube. an oil of specific gravity 0.78 is now poured into one arm of the u-tube until the level of the water in the other arm of the tube is 34 cm above the bottom of the tube. find the level of the oil-water and oil-air interfaces in the other arm of the tube.
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Alunar lander is making its descent to moon base i. the lander descends slowly under the retro-thrust of its descent engine. the engine is cut off when the lander is h = 5.5 m above the surface and has a downward speed of 0.8 m/s. with the engine off, the lander is in free fall. what is the speed of the lander just before it touches the surface? the acceleration due to gravity on the moon is 1.6 m/s2.
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Au-tube is filled with water until the liquid level is 28cm above the bottom of the tube. an oil of...
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