Horizontal and Vertical Components of Projectile Motion
Two particles...
Question
Two particles are projected simultaneously in the same vertical plane, from the same point, both with different speeds and at different angles with horizontal. The path followed by one, as seen by the other, is
A
a vertical line
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B
a parabola
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C
a hyperbola
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D
a straight line making a constant angle (≠ 90∘) with horizontal
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Solution
The correct option is D a straight line making a constant angle (≠ 90∘) with horizontal Let →u1 and →u2 be the initial velocities of the two particles and θ1 and θ2 be their angles of projection with the horizontal. The velocities of the two particles after time t are, →v1= (u1cosθ1)^i +(u1sinθ1-gt)^j