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Q1 At depths of 2000 m in the sea, the pressure is about 200 times atmospheric...

Q1 At depths of 2000 m in the sea, the pressure is about 200 times atmospheric pressure (1atm=1.0×105N/m2). By what percentage does the interior space of an iron bathysphere's volume change at this depth? Express your answer to two significant figures and include the appropriate units. Q2 A nylon string on a tennis racket is under a tension of 265 N . If its diameter is 1.00 mm , by how much is it lengthened from its untensioned length of 35.0 cm ?

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