Q.
A projectile is launched from point A with the initial conditions shown in figure. Determine the y-coordinate of the point on trajectory above point B.
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a
y=43.45m
b
y=15.75m
c
y=115m
d
y=300m
answer is A.
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Detailed Solution
y=xtan30∘−gx22(68)2cos230∘Put x=300Solving we gety=43.45m
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