Motion in A Plane

Question: An aeroplane moving horizontally with a speed of 720 km/h drops a food pocket, while flying at a height of 396.9 m. the time taken by a food pocket to reach the ground and its horizontal range is (Take ($g = 10 m/s^2$))



1) 3 sec and 2000 m
2) 5 sec and 500 m
3) 8 sec and 1500 m
4) 9 sec and 1800 m
Solution: Explanation: Explanation
horizontal-projectile-motion

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