Because Water Is 13

question 33

Multiple Choice

Because water is 13.6 times less dense than mercury,an atmospheric pressure of 76 cm (30 in.) of mercury would be equivalent to 1034 cm (408 in.) of water.Therefore,a water barometer resting on the ground near sea level would have to be read from a ladder over ____ tall.​

• A)5 m (16 ft)
• B)10 m (33 ft)
• C)​15 m (49 ft)
• D)​20 m (66 ft)
• E)​25 m (82 ft)

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