What Force Is Exerted by a Pressure of 2 $\pi$ R², 1 N = 1 Kg M/s², 1 Pa =

question 114

Multiple Choice

What force is exerted by a pressure of 2.153 atm on a mercury barometer with an inner diameter of 20.00 mm? Recall that the area of a circle is A = $\pi$ r², 1 N = 1 kg m/s², 1 Pa = 1 N/m², and 1 atm = 1.013*10⁵ Pa.

• A)68.52 N
• B)14.78 N
• C)274.1 N
• D)6.852 * 10⁷ N
• E)173.6 N

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