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QAIPMT-2003-Ph-2757: NEET 2003 Physics - Class 11 AIPMT-2003-Ph-2757 Solution: If a ball is thrown vertically upwards with speed u, the…
If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is
Multiple Choice Options
- A ut
- B
- C
- D
Step-by-Step Verified Solution
Let the time taken by the ball to reach the top most point T.
_ v = u - gT
v = 0 at top most point.
T = u g
Velocity of the ball after (T - t) second
v = u - g(T - t)
= u - gT + gt = u - g u g + gt
_ v = gt
Distance covered during the last t seconds of its ascent is
s = (gt)t - 1 2 g t 2 = 1 2 g t 2