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A car accelerates at $3$ $m$ $/s^2$ for $10$ seconds. If it started with a velocity of $20$ $m$ $/s$ , what is its final velocity?

1 Answer

May 2, 2016

$v_f=50 m/s$

Explanation:

$v_f=v_i+a*t$

$v_i:"initial velocity"$
$a:"acceleration"$
$t:"time"$
$v_f:"final velocity"$

$v_i=20m/2$

$a=3m/s^2$

$t=10s$

$v_f=20+3*10$

$v_f=20+30$

$v_f=50 m/s$

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