physics

The path of a projectile fired at a 30 degree angle to the horizontal is best described as
1.parabolic
2.linear
3.circular
4.hyperbolic

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  1. Parabolic...a projectile makes parabolic motion.

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  2. A parabolic path is correct in the flat-earth, uniform-gravity idealized situation usually assumed in ballistics. But when the inverse-square law gravity of a spherical earth is taken into account, it can be shown that the trajectory is actually a portion of an ellipse.
    (Neglecting air friction, which complicates matters still further).

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