Two projectiles A and B are thrown from the same point with velocities v and v 2 respectively- If B is thrown at an angle 45 - with horizontal- what is the inclination of A when their ranges are the same-

Two projectiles are thrown simultaneously in the same plane from the same point. If their velocities are $v_{1}$ and $v_{2}$ at angles $θ_{1}$ and $θ_{2}$ respectively from the horizontal, then answer the following questions: If $v_{1}$ = $v_{2}$ and $θ_{1} > θ_{2}$ , then choose the incorrect statement

Two projectiles are thrown simultaneously in the same plane from the same point. If their velocities are $v_{1}$ and $v_{2}$ at angles $θ_{1}$ and $θ_{2}$ respectively from the horizontal, then answer the following questions: If $v_{1} c o s θ_{1}$ = $v_{2} c o s θ_{2}$ , then choose the incorrect statement

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Two projectiles A and B are thrown from the same point with velocities v and v2 respectively. If B is thrown at an angle 45∘ with horizontal, what is the inclination of A when their ranges are the same?

The correct option is B 12sin−1(14)RA=RBR=u2sin2θgRA=u2sin2θgRB=(v/2)2sin(2×45o)gRA=RBv2sin2θg=v24sin90ogsin2θ=142θ=sin−1(14)θ=12sin−1(14)

Two projectiles $A$ and $B$ are thrown from the same point with velocities $v$ and $\frac{v}{2}$ respectively. If $B$ is thrown at an angle $45^{\circ}$ with horizontal, what is the inclination of $A$ when their ranges are the same?