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Question Number 47815 by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18

basic question  1)fig a  is it accelarated or deaccelarated motion  2)fig b accelarated/deaccelarated motion  3)fig(a) particle moving towards origin or away  4)fig b particle moving towards origin or away  questions for 10+2 students...

basicquestion1)figaisitaccelaratedordeaccelaratedmotion2)figbaccelarated/deaccelaratedmotion3)fig(a)particlemovingtowardsoriginoraway4)figbparticlemovingtowardsoriginorawayquestionsfor10+2students...

Commented by mr W last updated on 15/Nov/18

1) deaccelarated motion  2) deaccelarated motion  3) away from origin  4) towards origin

1)deaccelaratedmotion2)deaccelaratedmotion3)awayfromorigin4)towardsorigin

Commented by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18

thank you sir...

thankyousir...

Answered by tanmay.chaudhury50@gmail.com last updated on 15/Nov/18

answer with explanation...  fig(a)  slope at t_1 >slope at t_2   (velocity)_t_1  >(velocity)_t_2   so velocity decreases  as time increases hence deaccelaration  now bothe slope for acute angle so particle  moving away from origin.  fig(b)  ∣tan(θ)_t_1  ∣>∣tan(θ)_t_2  ∣  so velocity decreases hence deaccelaration  but in fig(b) angle obtuse so particle moving  towards origin...

answerwithexplanation...fig(a)slopeatt1>slopeatt2(velocity)t1>(velocity)t2sovelocitydecreasesastimeincreaseshencedeaccelarationnowbotheslopeforacuteanglesoparticlemovingawayfromorigin.fig(b)tan(θ)t1∣>∣tan(θ)t2sovelocitydecreaseshencedeaccelarationbutinfig(b)angleobtusesoparticlemovingtowardsorigin...

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