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physical science

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A projectile is launched upward at an angle of 75 from the horizontal and strikes the ground a certain distance away. For what other angle would it have the same range?

  • physical science - ,

    The range of a projectile is proportional to sin A cos A. If you change the launch angle (A) to its complement (15 degrees in this case), you get the same result.

  • physical science - ,

    wow! thank you for your help. I thout there is no one who can help me.

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