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CBSE Class 11-science Answered

Derive an expression for average acceleration and instantaneous accelerationfor the motion of an object in x-y plane
Asked by Tinuomrajankar | 27 Aug, 2021, 10:00: PM
answered-by-expert Expert Answer
Average acceleration  begin mathsize 14px style top enclose a end style = ( vf - vi ) / Δt
 
where vi is initial velocity at time t = tand vf is final velocity at time t = toΔt .
 
 
Instantaneous acceleration :-
 
when a body changes its velocity from v to (v+Δv) in a time Δt ,
 
then instantaneous acceleration is defined as
 
begin mathsize 14px style a space equals space limit as increment t rightwards arrow 0 of space fraction numerator increment v over denominator increment t end fraction end style
 

Answered by Thiyagarajan K | 28 Aug, 2021, 07:29: AM
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