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ICSE Class 9 Answered

Show that the rate of change of momentum =mass×acceleration. Under what conditions does this relation hold?
Asked by chirgunbn | 10 May, 2020, 09:30: AM
answered-by-expert Expert Answer
M o m e n t u m space i s space g i v e n space b y space m a s s cross times v e l o c i t y p equals m v R a t e space o f space c h a n g e space o f space m o m e n t u m equals fraction numerator p subscript f minus p subscript i over denominator t end fraction space R a t e space o f space c h a n g e space o f space m o m e n t u m equals fraction numerator m v subscript f minus m v subscript i over denominator t end fraction space R a t e space o f space c h a n g e space o f space m o m e n t u m equals fraction numerator m left parenthesis v subscript f minus v subscript i right parenthesis over denominator t end fraction space A n d space fraction numerator left parenthesis v subscript f minus v subscript i right parenthesis over denominator t end fraction equals a c c e l e r a t i o n T h e r e f o r e space R a t e space o f space c h a n g e space o f space m o m e n t u m equals m a R a t e space o f space c h a n g e space o f space m o m e n t u m equals F o r c e
This law is valid under constant mass system.
Answered by Utkarsh Lokhande | 10 May, 2020, 10:55: AM

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