Motion in a Plane · Motion in a plane – kinematics
A boy throws a ball into air at from the horizontal to land it on a roof of a building of height . If the ball attains maximum height in 2 s and lands on the building in 3 s after launch, then value of is m.
()
()
- (1)20
- (2)10
- (3)25
- (4)15
We corrected a printing error in the original paper
Source printed “A boy thrown a ball”.
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See the full 24 Jan 2026, Shift 1 paper
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