A ball is thrown vertically upwards from the top of a tower with a velocity of 10ms1. The ball reaches the ground with the velocity 30ms1. What is the height of the tower? (takeg=10ms2)
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ஜ۩۞۩ஜ ӇЄƳƛ MƛƬЄ ஜ۩۞۩ஜ
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Please refer to the attachment.
- The ball will have the same velocity after reaching the same point from which it was thrown. So , we'll consider its motion after reaching that point .
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