1. A projectile is launched from the top of a 20-m tall cliff towards another cliff that is 40-m tall and 100-m away. If the projectile is launched at an angle of 50°, at what speed must it be launched to just barely reach the other cliff? 20 m 50° 100-m

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A: 5.444mA   Detailed solution given below. In case of Doubts please do let me know Explanation:

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