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A projectile is launched at an angle of 600. What other angle would give the same range for the projectile if we neglect air resistance?

  • physics -

    L =v^2•sin2α/g
    sin2•60 =sin120 = 0.866
    sin2•30 = sin 60 = 0.866
    Same ranges for the angles of 30 and 60 degrees

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