ConcepTest 5.4 Three Blocks Three blocks of mass 3m, 2m, and 1) T,> T,> T; m are connected by strings and 2) T,< T;< T3 pulled with constant acceleration a. 3) T, = T,= T; What is the relationship between 4) all tensions are zero the tension in each of the strings? 5) tensions are random a 3m T3 T 2m

ConcepTest 5.4 Three Blocks Three blocks of mass 3m, 2m, and 1) T,> T,> T; m are connected by strings and 2) T,< T;< T3 pulled with constant acceleration a. 3) T, = T,= T; What is the relationship between 4) all tensions are zero the tension in each of the strings? 5) tensions are random a 3m T3 T 2m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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9
Two blocks, 1 and 2 are joined by an ideal chord and slide down an inclined plane, as shown in Figure 6. Both blocks have the same mass, m, but the kinetic coefficients of friction of the blocks with the surface of the plane are different, where µɔ > µ,. The system accelerates down the slope and the rope that connects them remains taut. Figure 6. Exercise 6 diagram, blocks joined by ideal rope Calculate the acceleration of the system in terms of µ2, µ1, 0 and g.
Part B
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Exercise #2 A metal plate of area 2.5×10^-4m2 is placed on a 0.25×10^-3m thick layer of castor oil. If a force of 2.5 N is needed to move the plate with a velocity 3x10- 2m/s^-1, calculate the coefficient of viscosity of castor oil.
Question 6 A 6 kg block is resting on an incline of 50 degree inclination and attached to another block of mass m by a string over a pulley. The block of mass m is hanging in the air. Us = .70 and Uk = .50. What will be the acceleration of the two block if you hang 1 kg more than the minimum mass? [Note: this is exactly like the problem from Test 2 Review] 1.214 m/s^2 O 1.253 m/s^2 O 1.238 m/s^2 O 1.227 m/s^2 O 1.203 m/s^2
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please help in both questions
How many electrons are there in a charge of 1 Coulomb ? Select one: a. 625 b. 100 c. 100 x10^(3) d. 6.25 x10^(18) .....
Learning Goal: To practice Tactics Box 5.1 Working with friction forces. Although friction is a complicated force, many aspects of it can be described with a simple model. This Tactics Box presents the conditions under which these models are valid and outlines the essential steps in solving friction problems. Review | Constants | Periodic Table Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. You push the crate to the right with a horizontal force of magnitude 300 N, but friction prevents the crate from sliding. Part A Draw a free-body diagram of the crate in the diagram below. Use the dot as the particle representing the crate and make sure to draw your vectors so that they have the correct orientation and their magnitudes, in newtons, are consistent with the conditions of the problem. Draw the vectors starting at the black dot. The location, orientation, and length of the vectors will be graded. ► View Available Hint(s)
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