a ball is thrown vertically upwad from ground it passes through a fixed po8nt p after time 5s and 15s if g =10 mper square the height of p is
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It crosses a point at the height of 25 m twice at an interval of 4s. ... Maximum height=25+20=45m ... v2−u2=2(−g)h ... The velocity of the ball at the
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