A body is thrown vertically up with a velocity u .It passes three points A,B and C in its upward journey with velocities u 2 , u 3 and u 4 respectively. The ratio of the separations between points A and 6 and between B and C i.e , AB BC is A) 1 B) 2 C) 10 7 D) 20 7

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Saurabh Koranglekar · Answer

Vikas TU · Answer

Dear student Here is the short trick A to B u^2 /9 = u^2 /4 -2gh1 2gh1 = 5u^2/36.......(i) B to C: u^2/16 = u^2 /9 -2gh2 2gh2 = 7u^2/144 ....(ii) h1/h2 = 5/36 * 144/7 = 20/7 = AB/BC

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A body is thrown vertically up with a velocity u .It passes three points A,B and C in its upward journey with velocities u 2 , u 3 and u 4 respectively. The ratio of the separations between points A and 6 and between B and C i.e , AB BC is A) 1 B) 2 C) 10 7 D) 20 7

A body is thrown vertically up with a velocity u .It passes three points A,B and C in its upward journey with velocities u 2 , u 3 and u 4 respectively. The ratio of the separations between points A and 6 and between B and C i.e , AB BC is A) 1 B) 2 C) 10 7 D) 20 7

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A body is thrown vertically up with a velocity u .It passes three points A,B and C in its upward journey with velocities u 2 , u 3 and u 4 respectively. The ratio of the separations between points A and 6 and between B and C i.e , AB BC is A) 1 B) 2 C) 10 7 D) 20 7

A body is thrown vertically up with a velocity u .It passes three points A,B and C in its upward journey with velocities u 2 , u 3 and u 4 respectively. The ratio of the separations between points A and 6 and between B and C i.e , AB BC is A) 1 B) 2 C) 10 7 D) 20 7

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