Physics, asked by sahil1531, 1 year ago

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Qno:-23​

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Answers

Answered by BrainlyHeart751
0

Sorry I m not able to solve this but hope u can understand it concept by taking an example so

Example:- If a body starts from rest and travels 120cm in 6th sec then what is its acceleration

Answer:- we know that

snth (displacement in n th second ) = u + a/2 (2*n - 1 )

where

u = 0 (since body starts from rest)

so, we have

snth = (a/2).(2n - 1)

or

a = 2snth / (2n - 1)

here,

displacement in 6 th second, s = 120 cm = 1.2 m

n = 6

so,

a = (2x1.2) / (2x6 - 1)

so,

a = 2.4/11

thus, acceleration will be

a = 0.218 m/s2

Hope it helps u mark as brainliest please

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