Question

Two projectiles are launched from a point with different velocities and angles.
Assuming earth to be an inertial frame of reference which of the following will
be true.
(A) Motion of one projectile as seen from other projectile is parabolic.
(B) Motion of one projectile as seen from other projectile is straight line
(C) If two projectile collide then the direction of relative velocity is
along perpendicular to line joining initial positions of projectiles.
(D) If two Projectile collide then the direction of relative velocity is
along line joining initial positions of projectiles.​

Answer 1

Answer:

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Explanation:

Acceleration of a projectile is constant (equal to the acceleration due to gravity, g) towards the earth. Hence, acceleration of both projectiles is same and relative acceleration is zero. Since relative acceleration is zero, relative velocity is constant and hence, the path of a projectile seen from another projectile is a straight line.