a ball is dropped from the jumping board of a swimming pool which is a

1.	a ball is dropped from the jumping board of a swimming pool which is at a height of 20 m . a second ball is thrown from the same board after 1 s with initial velocity u . both the ball let water together . what was initial velocity with which the 2nd ball was thrown ? do they hit water with same velocity
Answer» ANSWER: don't KNOW..........................

a ball is dropped from the jumping board of a swimming pool which is at a height of 20 m . a second ball is thrown from the same board after 1 s with initial velocity u . both the ball let water together . what was initial velocity with which the 2nd ball was thrown ? do they hit water with same velocity

Answer»

ANSWER:

don't KNOW..........................

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