What Pressure (In Pa) Will Be Exerted on the Bottom $\pi$

question 61

Multiple Choice

What pressure (in Pa) will be exerted on the bottom of a 63.5 kg hiker's foot when she stands on a rusty nail? Assume the diameter of the tip of the nail is 1.00 mm. The acceleration due to gravity is 9.81 m/s². Recall that the area of a circle is: A = $\pi$ r² and that 1 Pa = 1 kg m^-1 s^-2.

• A) 1.98 * 10² Pa
• B) 7.93 * 10² Pa
• C) 1.98 * 10⁸ Pa
• D) 7.93 *10⁸ Pa
• E) 7.93 *10⁵ Pa

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