Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 26.2, Problem 1bTH
1. Three objects are at rest in three beakers of water as shown.
b. Object 2 ¡s released in the center of a beaker full of oil, which is slightly less dense than water. In the space provided, sketch the final position of the block. Explain your reasoning.
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TRUE OR FALSE. On the answer sheet, shade the circle for Letter A if the statement is correct.
Otherwise, shade the circle for Letter E.
I.
1. Boat floats because there is a force that is pushing it up.
2. Only the weight of the object determines if the object will sink or float.
3. If I change the shape of the clay, its weight and volume also change.
4. Cutting a wood in half will also make its density half of the original density.
5. The pressure exerted by the fluid at rest on an object is directly proportional to the density of the liquid
and depth and is sometimes called as gauge pressure.
Solve problem 1, 2 and 3. Solve what is asked on the problem. Show your complete and detailed solutions.
1. A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
2. A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a speed of 3.0 m/s. What is the magnitude of the impulse delivered to the particle?
3. A 10 kg mass traveling 2 m/s meets and collides elastically with a 2 kg mass traveling 4 m/s in the opposite direction. Find the final velocities of both objects.
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b. What is the value of the momentum arm? write the formula and solution below.
c. What is the torque at the shown point of contact of the ship woth the seabed? write your folmula and solution.
d. What is the direction of the torque?
e. what is the sign of the direction of the torque?
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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