QCAA Physics Practice Questions - QCAA Senior Secondary Physics (Queensland Units 3 & 4) Exam

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A ball is launched from ground level at an initial velocity of 20 m/s at an angle of 30° above the horizontal. Assuming g = 9.8 m/s² and ignoring air resistance, what is the initial vertical component of its velocity?

17.3 m/s 20 m/s 5.0 m/s 10 m/s

Correct Answer:

10 m/s

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