Answers

2016-04-16T18:33:13+05:30
Let displacement be s
s is prop to t³
s=kt³
on differentiation
ds/dt=3kt²⇒v =3kt²
on again differentiation
d²s/dt=6kt⇒a =6kt
a is prop to t
⇒ acceleration is directly prop to time,it varies linearly with time and increases with resp to time
i hope it help u
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