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Two blocks of wood (A and B) are connected by a length of string of negligible mass. block A is resting on a horizontal desk top where the coefficient of static friction = 0.694 and the coefficient of kinetic friction = 0.376. The string is supported by a frictionless pulley of negligible mass at the edge of the desk, and block B is hanging on the other end of the string. This is shown in the diagram. If block A has a mass of 3.31 kg and block B has a mass of 8.36 kg, what is the magnitude of the acceleration of block B, in units of m/s-? Assume that air resistance is negligible. Give the answer as a positive number.

Two blocks of wood (A and B) are connected by a length of string of negligible mass. block A is resting on a horizontal desk top where the coefficient of static friction = 0.694 and the coefficient of kinetic friction = 0.376. The string is supported by a frictionless pulley of negligible mass at the edge of the desk, and block B is hanging on the other end of the string. This is shown in the diagram. If block A has a mass of 3.31 kg and block B has a mass of 8.36 kg, what is the magnitude of the acceleration of block B, in units of m/s-? Assume that air resistance is negligible. Give the answer as a positive number.

College Physics
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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QUESTION 4 Two blocks of wood (A and B) are connected by a length of string of negligible mass. block A is resting on a horizontal desk top where the coefficient of static friction = 0.694 and the coefficient of kinetic friction = 0.376. The string is supported by a frictionless pulley of negligible mass at the edge of the desk, and block B is hanging on the other end of the string. This is shown in the diagram. If block A has a mass of 3.31 kg and block B has a mass of 8.36 kg, what is the magnitude of the acceleration of block B, in units of m/s ? Assume that air resistance is negligible. Give the answer as a positive number. String Pulley A Table
Transcribed Image Text:QUESTION 4 Two blocks of wood (A and B) are connected by a length of string of negligible mass. block A is resting on a horizontal desk top where the coefficient of static friction = 0.694 and the coefficient of kinetic friction = 0.376. The string is supported by a frictionless pulley of negligible mass at the edge of the desk, and block B is hanging on the other end of the string. This is shown in the diagram. If block A has a mass of 3.31 kg and block B has a mass of 8.36 kg, what is the magnitude of the acceleration of block B, in units of m/s ? Assume that air resistance is negligible. Give the answer as a positive number. String Pulley A Table
QUESTION 1 A block of mass 2.06 kg is placed on a board. The board is then slowly lifted at one end. What is the maximum angle (in units of degrees) to the horizontal that the board can be at before the block begins to move? The coefficient of static friction between the block and the board is 0.667 The coefficient of kinetic friction between the block and the board is 0.362 QUESTION 2 A resultant force of magnitude 79.1 N causes an object to accelerate at a rate of 3.00 m/s. What is the mass of the object, in units of kilograms? QUESTION 3 What is the direction of the resultant of the two forces A = 15.2 N, B = 71.2 N, shown in the diagram, in units of degrees anticlockwise from East? B
Transcribed Image Text:QUESTION 1 A block of mass 2.06 kg is placed on a board. The board is then slowly lifted at one end. What is the maximum angle (in units of degrees) to the horizontal that the board can be at before the block begins to move? The coefficient of static friction between the block and the board is 0.667 The coefficient of kinetic friction between the block and the board is 0.362 QUESTION 2 A resultant force of magnitude 79.1 N causes an object to accelerate at a rate of 3.00 m/s. What is the mass of the object, in units of kilograms? QUESTION 3 What is the direction of the resultant of the two forces A = 15.2 N, B = 71.2 N, shown in the diagram, in units of degrees anticlockwise from East? B
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