Question

if object is at rest initially and reach to velocity 15 m/s in 5 seconds . calculate acceleration​

Answer 1

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Given,

u = o

v = 15 m/s

t = 5 s

a = to find

$\underbrace{a } _ {acceleration}= \frac{v - u}{t} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{15 - 0}{5} = 3 \: \: ms^{-2}$