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2.Motion in Straight Line
easy
ટ્રેન ના સફર દરમ્યાન મહત્તમ પ્રવેગ કેટલા..........$km h^{-2}$ મળે?

A
$140$
B
$160$
C
$100$
D
$120$
Solution
(b) Maximum acceleration will be represented by $CD$ part of the graph
Acceleration $ = \frac{{dv}}{{dt}} = \frac{{(60 – 20)}}{{0.25}} = 160\;km/{h^2}$
Standard 11
Physics