A cheetah can accelerate at up to $6.0$ $6.0$ $m$ $m$ $/ s^{2}$ $/s^2$ . How long does it take for a cheetah to speed up from $10.5$ $10.5$ $m$ $m$ $/ s$ $/s$ to $12.2$ $12.2$ $m$ $m$ $/ s$ $/s$ ?

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A cheetah can accelerate at up to $6.0$ $6.0$ $m$ $m$ $/ s^{2}$ $/s^2$ . How long does it take for a cheetah to speed up from $10.5$ $10.5$ $m$ $m$ $/ s$ $/s$ to $12.2$ $12.2$ $m$ $m$ $/ s$ $/s$ ?

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Answer 1 · 2018-04-09T14:11:59

we have,

$acceleration = 6 {m/s}^{2}$ $"acceleration" = 6 " m/s"^2$

$initial velocity = 10.5 m/s$ $"initial velocity" = 10.5" m/s"$

$final velocity = 12.2 m/s$ $"final velocity" = 12.2" m/s"$

$O O O$ $color(white)(OOO$

$acceleration = \frac{final velocity - initial velocity}{time taken}$ $"acceleration" = ("final velocity " - " initial velocity")/ "time taken"$

$time taken to speed up from 10.5m/s to 12.2m/s = \frac{12.2 - 10.5}{6} = \frac{1.7}{6} = 0.28 seconds$ $"time taken to speed up from 10.5m/s to 12.2m/s" = (12.2-10.5)/6 = 1.7/6 = 0.28 " seconds"$

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A cheetah can accelerate at up to $6.0$ $6.0$ $m$ $m$ $/ s^{2}$ $/s^2$ . How long does it take for a cheetah to speed up from $10.5$ $10.5$ $m$ $m$ $/ s$ $/s$ to $12.2$ $12.2$ $m$ $m$ $/ s$ $/s$ ?

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A cheetah can accelerate at up to $6.0$ $6.0$ $m$ $m$ $/ s^{2}$ $/s^2$ . How long does it take for a cheetah to speed up from $10.5$ $10.5$ $m$ $m$ $/ s$ $/s$ to $12.2$ $12.2$ $m$ $m$ $/ s$ $/s$ ?