5.Work, Energy, Power and Collision
hard

અનુક્રમ $\frac{m}{2}$, $m$, $2$ $m$ અને $4 m$ દળ ધરાવતા ચાર કણ $A$, $B$, $C$ અને $D$ ને સમાન વેગમાન છે. મહત્તમ ગતિઊર્જા ધરાવતો કણ. . . . . .હશે.

A

$\mathrm{D}$

B

$\mathrm{C}$

C

$\mathrm{A}$

D

 $B$

(JEE MAIN-2024)

Solution

$\mathrm{KE}=\frac{\mathrm{p}^2}{2 \mathrm{~m}}$

Same momentum, so less mass means more $\mathrm{KE}$.

So $\frac{\mathrm{m}}{2}$ will have $\max$. $\mathrm{KE}$.

Standard 11
Physics

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