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A 40 kg girl is riding in an elevator while standing on a scale. What is her apparent weight (scale reading) when the elevator is accelerating upward at 2 m/s2 ?
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What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?
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The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
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A 40 kg girl is riding in an elevator while standing on a scale. What is her apparent weight (scale...
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