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Motion Under Variable Acceleration

If the speedo...

Question

If the speedometer of a bike riding along a straight road varies with time as given $v (t) = (t + 3)^{2} + t^{2}$ What will be its accelaration at time t = 1s.

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-10

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None of these

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Solution

The correct option is A
10

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Similar questions

If the speedometer(in km/h) of a bike riding along a straight road varies with time as given $V (t) = 3 t^{2}$

What will be the distance it has covered after time t = 2 hr?

V = t^{2} - 4 t m / s

t = 1 s e c

t = 3 s e c

" t "

\to r = (t + t^{2}) (^i +^j)

t = 4 s

v_{0}

t = T_{0}

t = 0

x = 0

x

t

t = 0

t = 70 s

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