Mathematics
Mathematics, 07.11.2019 18:31, shortyyashaun

[10 points an express train travels between a and b usually with a velocity...

[10 points an express train travels between a and b usually with a velocity of u ms-1. one particular day it reduced its
velocity at a uniform rate of f(1)ms -2 and stopped at a signal post c. at c it is delayed for t(1) seconds. then it built
up velocity ums-1 at a uniform rate of f(2) ms -2 and started its normal journey. give a brief sketch of the velocity
time curve. because of the stoppage at c, train is late by t's, when passing b. derive an expression for t. if
fi or f(2) cannot exceed f. show that minimum value of t is to + u/f.​
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