Question

Find the momentum of a body mass hundred gram having a kinetic energy of 20 J

Answer 1

$\blue{\underline{ \huge{ \blue{\boxed{ \mathfrak{\fcolorbox{red}{orange}{\purple{Answer}}}}}}}} \\ \\ \star \rm \: \purple{Given} \\ \\ \leadsto \rm \: mass \: of \: body \: (m) = 100g = 0.1kg \\ \\ \leadsto \rm \: kinetic \: energy \: (KE) = 20 \: J \\ \\ \star \rm \: \purple{to \: find} \\ \\ \leadsto \rm \: momentum \: of \: a \: body..... \\ \\ \star \rm \: \purple{Formula} \\ \\ \leadsto \rm \: relation \: between \: momentum \: and \\ \rm \: kinetic \: energy \: is \: given \: by... \\ \\ \: \: \: \: \: \: \: \: \: \dagger \: \: \underline{ \boxed{ \bold{ \pink{ \rm{p = \sqrt{2m(KE)}}}}}} \: \: \dagger \\ \\ \star \rm \: \purple{Calculation} \\ \\ \mapsto \rm \: putting \: given \: values \: in \: formula... \\ \\ \mapsto \rm \: p = \sqrt{2 \times 0.1 \times 20} = \sqrt{4} \\ \\ \longrightarrow \: \star \: \underline{\boxed{ \bold{ \orange{ \rm{p = 2 \: kg \frac{m}{s} }}}}} \: \star \: \longleftarrow$