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A projectile in free fall

A marble is fired at angle +30° from a roof top x,y origin 50 m above ground with velocity such that it falls into a bowl on the ground at (218, -50).
a. Find the original speed Vo.
b. Find the total time of flight of the marble.
See diagram attachment for picture showing known data.

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A projectile in free fall has vertical acceleration g downward caused by the downward pull of gravity, and zero acceleration horizontally since there is no horizontal force on ...

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A projectile in free fall problem is solved.