Question

four projectiles are projected with the same speed at angle 20° 35°60° and 75° with the horizontal. the range will be the longest for the projectile whose angle of projection is

Answer 1

projectile range follows a sine curve ( between 0and 90) with max range at 45 degree.
it has same range at 30 and 60 degree as it is double valued function . so the answer is 35 degree

Answer 2

Answer:

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Explanation: