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  • A small  toy starts moving from the position of rest under a constant acceleration. If it travels a distance of 10m in t s, the distance travelled by the toy in the next t s will be :

A small  toy starts moving from the position of rest under a constant acceleration. If it travels a distance of 10m in t s, the distance travelled by the toy in the next t s will be :

Option: 1

\mathrm{10 \! \! \mathrm{~m}}


Option: 2

\mathrm{20 \! \! \mathrm{~m}}


Option: 3

\mathrm{30 \! \! \mathrm{~m}}


Option: 4

\mathrm{40 \! \! \mathrm{~m}}


Answers (1)

best_answer

\mathrm{s=\frac{1}{2} a t^{2}=10 \mathrm{~m}}

\mathrm{In (2t) time}\\

\mathrm{s=\frac{1}{2}(a)(2 t)^{2}=40 \mathrm{~m}}

\mathrm{distance\; in\; time\; t \rightarrow 2 t}

\mathrm{=40-10=30 \mathrm{~m}}

Hence correct option is 3.

Posted by

Ritika Kankaria

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