A train accelerating uniformly from rest attains a maximum speed of 40 m/s in 20 sec. It travels at this speed for 20 sec, and is brought to rest with uniform retardation in 40 sec. Find distance total traveled.
A train accelerating uniformly from rest attains a maximum speed of 40 m/s in 20 sec. It travels at this speed for 20 sec, and is brought to rest with uniform retardation in 40 sec. Find distance total traveled.
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section6.3: Relative Velocity
Problem 27PP
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A train accelerating uniformly from rest attains a maximum speed of 40 m/s in 20 sec. It travels at this speed for 20 sec, and is brought to rest with uniform retardation in 40 sec. Find distance total traveled.
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Step 1: Given data
VIEWStep 2: Calulation for acceleration of the vehicle during accelerating motion.
VIEWStep 3: Calculation for distance traveled by vehicle during the first 20 seconds.
VIEWStep 4: Calculation for distance tarveled by the vehicle when it travels at constant maximum speed.
VIEWStep 5: Calculation for distance tarveled by vehicle during accelerated motion.
VIEWStep 6: Calcualtion for total distance traveled by the vehicle during the whole journey.
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