Question: 2. (3) 40 m/s (4) 50 m/s A ball is dropped from certain height such that the distance travelled in last second is equal to
2. (3) 40 m/s (4) 50 m/s A ball is dropped from certain height such that the distance travelled in last second is equal to the distance travelled in first three seconds. Height from which the ball is dropped, is (1) 90 (2) 190
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