First slide
Projection Under uniform Acceleration

A ball is thrown at different angles with the same speed u and from the same point and it has the same range in both the cases. If y1 and y2 are the heights attained in the two cases, then y1 + y2 is equal to


y1=u2sin2θ2g,y2=u2sin290θ2g=u2cos2θ2g  y1+y2=u22g

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