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A train is traveling up a 3.73° incline at a speed of 3.25
Chapter 5, Problem 34P(choose chapter or problem)
A train is traveling up a \(3.73^{\circ}\) incline at a speed of \(3.25 \mathrm{~m} / \mathrm{s}\) when the last car breaks free and begins to coast without friction. (a) How long does it take for the last car to come to rest momentarily? (b) How far did the last car travel before momentarily coming to rest?
Questions & Answers
QUESTION:
A train is traveling up a \(3.73^{\circ}\) incline at a speed of \(3.25 \mathrm{~m} / \mathrm{s}\) when the last car breaks free and begins to coast without friction. (a) How long does it take for the last car to come to rest momentarily? (b) How far did the last car travel before momentarily coming to rest?
ANSWER:
Step 1 of 3
In this question, we need to find the time it takes for the last car to comes to rest momentarily
In part b, we need to find the distance the last car travels before it comes to momentarily rest
Data given:
Angle made by train \(\theta=3.73^{\circ}\)
Initial Speed of last car \(u=3.25 \mathrm{~m} / \mathrm{s}\)