Lexy throws a dart with an initial velocity of 25 m/s at an angle of 60° relative to the ground. What is the approximate vertical component of the initial velocity?

The vertical component is the initial speed multiplied by the sine of the angle above the ground: 25 × sin(60°). Since sin(60°) is about 0.866, the vertical component is about 25 × 0.866 = 21.7 m/s. Therefore, the correct choice is 21.7 m/s.

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