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Prove a=ut plus 1/2atsquare by integration …

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Prove a=ut plus 1/2atsquare by integration method

Posted by Akshay Yadav 7 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Rohit Pal 7 years, 9 months ago

(2) Second equation of motion: s = ut + 1/2 at^2 sol. Let the distance travelled by the body be “s”. We know that Distance = Average velocity X Time Also, Average velocity = (u+v)/2 .: Distance (t) = (u+v)/2 X t …….eq.(1) Again we know that: v = u + at substituting this value of “v” in eq.(2), we get s = (u+u+at)/2 x t =>s = (2u+at)/2 X t =>s = (2ut+at^2)/2 =>s = 2ut/2 + at^2/2 or s = ut +1/2 at^2 This is the 2nd equation of motion.

Shariq Ahmad 7 years, 9 months ago

Its not a=ut Its s=ut+½at²

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