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Having seen a big stone falling from the top of a tower Ravi pulled his friend Kiran away. The stone hit Ravi slightly and he got hurt. But he was saved from a major accident.

(a) What made Ravi act in such a way.

(b) From the top of a tower 100 m in height, a ball is dropped and at the same time another ball is projected vertically upwards from the ground with a velocity of 25 m/s. Find when and where the two balls meet. Take g = 9.8 m/sec2.

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answered by Expert 4th June 2014, 3:23 PM
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