Question

a racing car has uniform acceleration of 4m/s2 what distance will it covers in 10sec after start​

Answer 1

We have,

$\longrightarrow\sf{s=ut+\dfrac{1}{2}at^2}$

Since the car starts from rest, $\sf{u=0.}$ So,

$\longrightarrow\sf{s=\dfrac{1}{2}at^2}$

$\longrightarrow\sf{s=\dfrac{1}{2}\times4\times10^2}$

$\longrightarrow\sf{\underline{\underline{s=200\ m}}}$

Answer 2

Answer:

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