Exam-style question
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A projectile is launched with an initial velocity of 20 m/s at an angle of 30 degrees. Calculate the range of the projectile.
- A.34.64 m
- B.40.00 m
- C.30.00 m
- D.25.00 m
Model answer
What a good answer should say
- 34.64 m.
- the correct option
Explanation
Why this works
The correct answer is 34.64 m. This supports Calculate range, time of flight and maximum height where appropriate.
in Projectile motion because it uses the required mechanics relationship directly. The other options are less suitable because they confuse a different force, motion, energy, momentum, or materials concept.
Common mistake
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