a train 500 m long is moving on a straight track with a speed of 81.0 km/h. the engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 17.4km/h. assuming constant acceleration, determine how long the train blocked the crossin
a train 500 m long is moving on a straight track with a speed of 81.0 km/h. the engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 17.4km/h. assuming constant acceleration, determine how long the train blocked the crossin
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section2.1: Average Velocity
Problem 2.1QQ: Under which of the following conditions is the magnitude of the average velocity of a particle...
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a train 500 m long is moving on a straight track with a speed of 81.0 km/h. the engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 17.4km/h. assuming constant acceleration, determine how long the train blocked the crossing. disregard the width of the crossing.
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