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A body has velocityV= 2î + 6j +(20-10t)km/sFIND THE TIME WHEN ACCELAATION OF THE BALL WOULD B PERPENDICULAR TO VELOCITY

Debaraj Roy , 7 Years ago
Grade 11
anser 1 Answers
dheeraj

Last Activity: 7 Years ago

get acceleration by differentiating v then solve for dot product as-------- A.V=O because dot products to offer two perpendicular vector are zero.

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