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srivarsha
Answers (1)
v=u+at v=0+3×30 (0.5×60=30) v=90 u cosx=90......... eq (1) H=u^2sin^2x÷2g=80 (given) u sinx=40 (solving)......eq (2) eq (1)÷eq (2) tanx=4/9 x=tan^-1 (4/9)
