Emergency!
a 2 meter tall archer shoots an arrow with the speed of 20 m/s at a target p...
Emergency!
a 2 meter tall archer shoots an arrow with the speed of 20 m/s at a target positioned on the same horizon plane 30 m away. if the arrow is to hit the center of the vertical target, which is 2 meters above the ground at what angle to the horizontal should the arrow be launched. [given sin2a = 2sina. cosa]
Answers: 1
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