Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.2.16 Angular Velocity – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
An angle of 90° is equal to
π rad
π/4 rad
2π rad
π/2 rad
2.
A wheel rotates at 5.0 revolutions per second. Its angular velocity is
31 rad s⁻¹
5.0 rad s⁻¹
10 rad s⁻¹
0.20 rad s⁻¹
3.
A point on a disc is at 0.20 m from the axis and ω = 10 rad s⁻¹. Its speed is
0.020 m s⁻¹
2.0 m s⁻¹
50 m s⁻¹
200 m s⁻¹
4.
Two children are on a rotating roundabout, one at 1.0 m and one at 2.0 m from the axis. Compare their angular velocities and speeds.
Same speed; outer child larger ω
Both are the same
Same ω; outer child faster
Outer child larger ω and slower
5.
The period of a body in uniform circular motion is 0.50 s. Its angular velocity is
3.1 rad s⁻¹
6.3 rad s⁻¹
12.6 rad s⁻¹
2.0 rad s⁻¹
6.
In uniform circular motion, the velocity vector
Is tangent to the circle and changing direction
Is constant
Points to the centre
Is zero
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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