1.

Shown are several curves Fig. Explain with reason, which ones amongst them can be possible trajectories traced by a projectile (nelgect air friction).

Answer»

Solution :The nature of trajectory of a particle under the action of gravitational FORCE of earth will be a PARABOLIC RATHER a CONIC section for motion outside the earth with focus lting at the centre of the earth. Only option (C ) meets this requirement.


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