Gujarati
5.Work, Energy, Power and Collision
medium

यदि एक हल्के पिंड (द्रव्यमान ${M_1}$ तथा वेग ${V_1}$) तथा एक भारी गंभीर (द्रव्यमान ${M_2}$ तथा वेग ${V_2}$) दोनों की गतिज ऊर्जायें समान हों, तो

A

${M_2}{V_2} < {M_1}{V_1}$

B

${M_2}{V_2} = {M_1}{V_1}$

C

${M_2}{V_1} = {M_1}{V_2}$

D

${M_2}{V_2} > {M_1}{V_1}$

Solution

$P = \sqrt {2\,mE} $ यदि गतिज ऊर्जा समान है, तब $P \propto \sqrt m $ अर्थात् भारी वस्तु का संवेग अधिक होता है।

${M_1} < {M_2}$ अत: ${M_1}{V_1} < {M_2}{V_2}$

Standard 11
Physics

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