Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 26.2, Problem 2cTH
A solid sphere of mass m floats in a beaker of water as shown. A second sphere of the same material but of mass 2m is placed in a second beaker of water. In the space provided, sketch the final position of the second sphere.
c. Are your answers to questions a and b consistent with Archimedes’ principle? Explain.
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Please answer parts B, C and D!
A beachball has a diameter of 24 cm and weighs about 6N.
A-What is the volume of the beachball? Then, use this number to calculate the beachball’s average density in kg m-3.
B-What is the volume of water displaced by the beachball if it is in the pool?
C- Now, using a rope, you tie the beachball to the bottom of the pool so only half of the ball is submerged. What would the diagram look like?
D- What is the buoyant force of the tethered beachball? What is the tension on the rope?
A scuba driver and her gear displace a volume of 69.6 L and have a total mass of 72.8 kg.
a What is the bouyant force on the diver in seawater?
b. Will the driver sink or float? Show your free body diagram, compuraion and your answer.
A downward force of 100 N is applied to the small piston with a diameter of 50 cm in the hydraulic lift system shown below.a. What is the upward force exerted by the large piston with a diameter of 2m?b. What is the mechanical advantage of this hydraulic lift?c. If the input force of 100N pushes the small piston down by 2m, how high will the large piston rise?
Chapter 26 Solutions
Tutorials in Introductory Physics
Ch. 26.1 - Prob. 1aTHCh. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - A W-shaped piece of glassware is partially filled...Ch. 26.1 - Prob. 3aTHCh. 26.1 - A U-tube is partly filled with water. Oil is then...Ch. 26.1 - Prob. 3cTHCh. 26.2 - 1. Three objects are at rest in three beakers of...
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