10. A diver goes to the bottom of the deep end of the swimming pool. She is 3.0 m below thesurface of the water. The density of water is 1.0 x 10³ kg / m³. The difference in pressure on theswimmer compared to the surface is:A) 2.9 x 10¹ PaB) 2.9 x 10² PaC) 6.0 x 10¹ PaD) 29.4 NA 0.40 kg mass is attached to a 0.5 m string and displaced an angle of 12 degrees before it isreleased.1. What is the initial potential energy of the pendulum?2. What is the angular frequency of the pendulum?3. What is the velocity of the pendulum at the lowest point in its swing?4. What is the height of its displacement?

Answered: Image /qna-images/answer/79fa2632-4a0f-477a-9e2c-43041917b97d.jpg

10. A diver goes to the bottom of the deep end of the swimming pool. She is 3.0 m below the surface of the water. The density of water is 1.0 x 10³ kg/m³. The difference in pressure on the swimmer compared to the surface is: A) 2.9 x 10¹ Pa B) 2.9 x 10² Pa C) 6.0 x 10¹ Pa D) 29.4 N

10. A diver goes to the bottom of the deep end of the swimming pool. She is 3.0 m below the surface of the water. The density of water is 1.0 x 10³ kg/m³. The difference in pressure on the swimmer compared to the surface is: A) 2.9 x 10¹ Pa B) 2.9 x 10² Pa C) 6.0 x 10¹ Pa D) 29.4 N

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 10P

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Concept explainers

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.

Question

10. A diver goes to the bottom of the deep end of the swimming pool. She is 3.0 m below the
surface of the water. The density of water is 1.0 x 10³ kg / m³. The difference in pressure on the
swimmer compared to the surface is:
A) 2.9 x 10¹ Pa
B) 2.9 x 10² Pa
C) 6.0 x 10¹ Pa
D) 29.4 N
A 0.40 kg mass is attached to a 0.5 m string and displaced an angle of 12 degrees before it is
released.
1. What is the initial potential energy of the pendulum?
2. What is the angular frequency of the pendulum?
3. What is the velocity of the pendulum at the lowest point in its swing?
4. What is the height of its displacement?

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