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CBSE Class 11-science Answered

T h e space p o s i t i o n space o f space a n space o b j e c t space a t space a n y space t i m e space t space i s space g i v e n space b y space s left parenthesis t right parenthesis equals 6 t cubed plus 5 t plus 7. F i n d space t h e space v e l o c i t y space a t space t equals 5 space s e c o n d s ? space Please provide solution to this question
Asked by Topperlearning User | 16 Nov, 2016, 03:09: AM
answered-by-expert Expert Answer

s left parenthesis t right parenthesis equals 6 t cubed plus 5 t plus 7 v e l o c i t y space v left parenthesis t right parenthesis equals fraction numerator d over denominator d t end fraction s left parenthesis t right parenthesis equals fraction numerator d over denominator d t end fraction left parenthesis 6 t cubed plus 5 t plus 7 right parenthesis equals 18 t squared plus 5 A t space t equals 5 space v e l o c i t y space i s space 18.5 squared plus 5 equals 455 m divided by s

Answered by | 16 Nov, 2016, 05:09: AM

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