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Prove that v2= u2 - 2as

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Prove that v2= u2 - 2as

Posted by Kritika Singh 5 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Krishna Mahawar 5 years, 7 months ago

From 1st equation of motion, V = U + AT Therfore, V - U = AT We know that S = (U + V / 2 )×T ∴ S/T = U + V / 2 ∴U + V = 2×S/T ∴ U + V = 2S / T So Substituting eq1 and eq2, (V - U ) (V + U ) = AT ×2S/T ∴V² - U² = 2AS.

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CBSE > Class 09 > Science