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# Answer: An object with weight W is dragged along a horizontal plane by a force acting

ISBN: 9781305270336 484

## Solution for problem 44 Chapter 4.7

Single Variable Calculus: Early Transcendentals | 8th Edition

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Single Variable Calculus: Early Transcendentals | 8th Edition

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Problem 44

An object with weight W is dragged along a horizontal plane by a force acting along a rope attached to the object. If the rope makes an angle with a plane, then the magnitude of the force is F W sin 1 cos where is a constant called the coefficient of friction. For what value of is F smallest?

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Different types of stains 1. Simple stain 2. Differential stain 3. Structural stain  Simple stain- visual representation of bacteria  Differential stain: Differentiates different types of bacteria. Example- Gram stain and acid fast stain.  Structural stain: Provides information about the structure of the bacterial cell. Example- Capsule stain and Endospore stain. Gram stain  Developed by Dr. Hans Christian Gram (Danish Bacteriologist, Developed in 1884)  Mainly based on differences in cell wall construction of Gram positive and Gram negative bacteria.  Can be used for initial identification of bacteria in clinical settings. o Different properties of bacteria such as resistance to antibiotics or

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