Given: The train engine at E has a speed of 20 m/s and an acceleration of 14 m/s² acting at v = 20 m/s in the direction shown. a = 14 m/s? а. Find: The rate of increase in the train's speed and the radius of curvature p of the path. Plan: 1. Determine the tangential and normal components of the acceleration. 2. Calculate v from the tangential component of the acceleration. 3. Calculate p from the normal component of the acceleration.

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Given: The train engine at E has a
speed of 20 m/s and an
acceleration of 14 m/s? acting
in the direction shown.
at
v = 20 m/s
75°
a = 14 m/s?
a
Find: The rate of increase in the
train's speed and the radius of
curvature p of the path.
Plan:
1. Determine the tangential and normal components of the
acceleration.
2. Calculate v from the tangential component of the
acceleration.
3. Calculate p from the normal component of the acceleration.
Transcribed Image Text:Given: The train engine at E has a speed of 20 m/s and an acceleration of 14 m/s? acting in the direction shown. at v = 20 m/s 75° a = 14 m/s? a Find: The rate of increase in the train's speed and the radius of curvature p of the path. Plan: 1. Determine the tangential and normal components of the acceleration. 2. Calculate v from the tangential component of the acceleration. 3. Calculate p from the normal component of the acceleration.
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