Question

A racing car has a uniform acceleration of 4 ms–2
. What distance will it cover in 2
s starting from rest?

Answer 1

Answer:

2m

Explanation:

beacause it is starting from 0

Answer 2

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Here is your Answer to your Question:

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$\\ \red{\bf{Given} }\\\bf{ \star Acceleration \: of \: car =4ms^{-2}} \\ \bf{\star Car \: is \: at \: rest \: so \: initial \: velocity=0ms^{-1}} \\ \orange{\bf{To \: Find: }} \\ \bf{To \: find \: distance \: the \: car \: will \: cover \: in \: 2s } \\ \huge{\tt{\green{Solution:}}} \\ \bf{We \: know \: that \: } \\ \bf{s=u+\frac{1}{2}at^2} \\ \bf{\implies s=0ms^{-1}+ \frac{1}{ \cancel2}( \cancel4ms^{-2}) (2secs) {}^{2} } \\ \bf{ \implies \: s = 2ms {}^{ - 2} \times 4secs { }^{2} } \\ \bf{ \implies \: s = 8m} \\ \bf{The \: distance \: covered \: by \: car \: in \: 2 \: seconds \: will \: be \: 8 \: metres}$

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