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Two cannoballs A and B are fired at same...

Two cannoballs A and B are fired at same angle and with same velocity from a cannon . If mass of `A lt` mass of B, which ball will reach the ground first ? What if the balls are fired with diferent velocities but same angle of projection?

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Time of flight of a projectile is directly proportional to the initial velocity of projection . So, the ball which is fired with lesser velocity will reach the ground earlier.
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