Question

A body starting from rest travels with uniform acceleration. If it travels 200 m in 10 s, then the
value of the acceleration is_______m/s.
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Answer 1

Explanation:

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Answer 2

${\huge{\purple{\underline{\underline{\bf{\pink{\mathfrak{Answer}}}}}}}}$

${\: \: \: \: \: \: \: \: \: \:⬤\:Initial \: Velocity, \: u \: = \: 0}$

${\: \: \: \: \: \: \: \: \: \: ⬤\:Distance, \: s\: = \: 200m}$

${\: \: \: \: \: \: \: \: \: \:⬤\:Time, \: t\: =\: 10s}$

${\small{\bf{\purple{\mathfrak{\underline{\underline{As\: we\: are\: asked\: to\: find\: Acceleration,}}}}}}}$

${\: \: \: \: \: \: \: \: \: \:s\:=\:ut\:+\: 1/2at²}$

${\small{\bf{\purple{\mathfrak{\underline{\underline{By\: substituting\: values\: in\: the\: \: formulae,}}}}}}}$

⇒ 200 = 0*(10) + 1/2(a*(10)²)

⇒ 200 = 1/2(a*100)

⇒ 200 × 2 = a × 100

⇒ 400/100 = a

⇒ 4 = a

${\small{\bf{\purple{\mathfrak{\underline{\underline{Or,}}}}}}}$

⇒${\: \: \: \: \: \: \: \: \: \:a\: =\: 4\: m/s²}$