A body moving with uniform acceleration has velocities 20m/s and 30m/s when passing two points A and B. then the velocity mid way between A and B is approximatelya) 25m/sb) 25.5. m/sc) 24 m/sd) 10m/s

A body moving with uniform acceleration has velocities 20m/s and 30m/s

1.	A body moving with uniform acceleration has velocities 20m/s and 30m/s when passing two points A and B. then the velocity mid way between A and B is approximatelya) 25m/sb) 25.5. m/sc) 24 m/sd) 10m/s
Answer» Hey friend!!! In usual notation, v2 - u2 = 2as = 900 - 400 = 500 Thus, as = 250 --- (1) At s/2 if speed is w: W2 - u2 = 2A(s/2) Which MEANS, w2 = u2 + as = 400 + 250, using (1). Or, w = sqrt(650) = approx 25.5 m/s. then your answer is option "b" I hope it will help you..

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A body moving with uniform acceleration has velocities 20m/s and 30m/s when passing two points A and B. then the velocity mid way between A and B is approximatelya) 25m/sb) 25.5. m/sc) 24 m/sd) 10m/s

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