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Solved: A 12.0-kg mass. fastened to the end of an
Chapter 11, Problem 89P(choose chapter or problem)
Problem 89P
A 12.0-kg mass. fastened to the end of an aluminium wire with an un stretched length of 0.50 m, is whirled in a vertical circle with a constant angular speed of 120 rev/min. The crosssectional area of the wire is 0.014 cm2. Calculate the elongation of the wire when the mass is (a) at the lowest point of the path and (b) at the highest point of its path.
Questions & Answers
QUESTION:
Problem 89P
A 12.0-kg mass. fastened to the end of an aluminium wire with an un stretched length of 0.50 m, is whirled in a vertical circle with a constant angular speed of 120 rev/min. The crosssectional area of the wire is 0.014 cm2. Calculate the elongation of the wire when the mass is (a) at the lowest point of the path and (b) at the highest point of its path.
ANSWER:
Solution 89P
Step 1:
Introduction:
In this question, we need to find the elongation the wire
When the mass is at the lowest point
And when the mass is at the highest point
Data given
Mass
Length
Angular velocity
Area of cross section