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Home / Doubts and Solutions/NEET/Kinematics

please explain

Asked by Arushi Juyal 16th December 2017, 6:39 AM
Answered by Expert
Answer:
begin mathsize 12px style S space equals space k square root of t v e l o c i t y space fraction numerator d S over denominator d t end fraction equals space k fraction numerator 1 over denominator 2 square root of t end fraction a c c e l e r a t i o n space equals space fraction numerator d over denominator d t end fraction fraction numerator d S over denominator d t end fraction space equals space minus k over 4 1 over t to the power of begin display style bevelled 3 over 2 end style end exponent end style
Since acceleration is negative , it is retardation. But magnitude decreases with respect to time t.
 
Hence the nature of motion is decreasing retardation
Answered by Expert 19th December 2017, 3:45 PM
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Tags: motion-in-one-dimension retardation accelerated-motion
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