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A 30-kg box is being pushed along a horizontal smooth surface. The pushing force is 10 N directed at an angle of 25° below the horizontal. What is the magnitude of the acceleration of the crate?

- ○ 0.47 m/s²
- ○ 0.39 m/s²
- ○ 0.16 m/s²
- ○ 0.30 m/s²
- ○ 0.68 m/s²

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