Question

A ball is projected so as to pass a wall at a distance a from the point of projection at an angle of 45° and falls at a distance b on
the other side of the wall. If his height of wall then
1)h=a√2
2)h=b√2
3)h=√2ab/a+b
4)h=ab/a+b

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Answer 1

Answer:

I don't like physics sorry!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

Answer:

4. ........

is correct.......

need solution .

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I surely help you