Question bank/JEE Main/Physics

A man sitting inside a train moving with uniform acceleration
[IMAGE]. Man throws a ball from point O (on the floor of
train) with relative velocity [IMAGE] (where
[IMAGE] = velocity of ball with respect to train
[IMAGE] Ball falls on the train at point A (where OA = R) after time T.
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[IMAGE] Time of flight = T = $\frac{2\ (20\sqrt{}2)sin45{^\circ}}{10} = 4s$
Solving we get[IMAGE] TOPIC:Projectile motion
SUB TOPIC:Relative motion
LEVEL:Moderate

Source: Grass-G / Ph-28 Physics paper FST 16 Jan.docx