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a barameter in elevator reads 76 cm. at rest.if elevator starts going upward with an increasing speed .what will be the new reading of barometer.wil it be smalller, greater or same? why?


a barameter in elevator reads 76 cm. at rest.if elevator starts going upward with an increasing speed .what will be the new reading of barometer.wil it be smalller, greater or same? why?


Grade:9

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