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3.00 s after being projected from ground level, a projectile is displaced 27.0 m horizontally, and...

3.00 s after being projected from ground level, a projectile is displaced 27.0 m horizontally, and 45.0 m vertically above its launch point.

a) what was the initial horizontal component of the velocity?

b) What was the initial vertical component of the velocity?

c) what was the initial velocity of the projectile in polar notation?

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