Long answer·Standard multi-step (3/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
A cyclist moves with constant speed on a circular track of radius .
Total: 4 marks
(a) Find the time period of one complete revolution. (1 mark)
(b) Find the angular speed. (1 mark)
(c) Find the centripetal acceleration. (1 mark)
(d) State the direction of acceleration at any instant. (1 mark)
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