004 (part 1 of 2) 10.0 points A circular swimming pool has a flat bottom and an

Question

004 (part 1 of 2) 10.0 points A circular swimming pool has a flat bottom and an 8.44 m diameter. It is filled with water to a depth of 2.38 m. There is 0.583 atm of pressure on the top surface. What is the absolute pressure at the bottom? The acceleration of gravity is 9.8 m/s 2 . Answer in units of Pa.

005 (part 2 of 2) 10.0 points Two people with a combined mass of 126 kg get into the pool and float there quietly. What is the resulting increase in the absolute pressure at the bottom? Answer in units of Pa.

Explanation / Answer

4)

as P = Pa + density * g*d

P = 0.583 * 1.01 *10^5 + 1000 * 9.8 * 2.38

P = 8.221 *10^4 pa

the absolute pressure at the bottom is 8.221 *10^4 pa

5)

Here, increase in pressure = 126 * 9.8/(pi*2.38^2)

increase in pressure = 69.4 Pa

the increase in pressure is 69.4 Pa

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