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Find the coefficient of kinetic friction between a 3.85-kg
Chapter 6, Problem 71GP(choose chapter or problem)
Problem 71GP
Find the coefficient of kinetic friction between a 3.85-kg block and the horizontal surface on which it rests if an 850-N/m spring must be stretched by 6.20 cm to pull it with constant speed. Assume that the spring pulls in the horizontal direction.
Questions & Answers
QUESTION:
Problem 71GP
Find the coefficient of kinetic friction between a 3.85-kg block and the horizontal surface on which it rests if an 850-N/m spring must be stretched by 6.20 cm to pull it with constant speed. Assume that the spring pulls in the horizontal direction.
ANSWER:
Solution 71GP
Step 1 of 3
Here we have to calculate the coefficient of kinetic friction between the given block and the horizontal surface on which it is at rest.
In the given case, a block of lies on a horizontal plane with kinetic friction . If a spring with spring constant is stretched to a length to pull the block with constant speed by assuming all the pulls are in horizontal direction.