An object, initially at rest, moves 475 m in 19 s. What is its acceleration? *

asked May 4, 2022 96.1k views

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5 votes

$\\ \sf\Rrightarrow s=ut+(1)/(2)at^2$

$\\ \sf\Rrightarrow s=0(19)+(1)/(2)a(19)^2$

$\\ \sf\Rrightarrow 475=(361a)/(2)$

$\\ \sf\Rrightarrow 950=361a$

$\\ \sf\Rrightarrow a\approx 2.3m/s^2$

Chazefate answered May 10, 2022

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