At what launch angle will a projectile travel the farthest distance if launched on level ground? Multiple Choice: a. 45 degrees b. 60 degrees c. 20 degrees d. 30 degrees e. 75 degrees

A. 45 degrees

Explanation:

A. 45 degrees

Explanation:

A projectile travels the farthest when it is launched at an angle of 45 degrees.

The maximum range is 45 degrees, ignoring air resistance.

sin(2θ) = 1

∴ 2θ = π/2.

(2θ)/2 = (π/2)/2

θ = π/4

π/4 or 45°

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