Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.4.9 Rotational Kinetic Energy – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A body with I = 4.0 kg m2 rotates at 5.0 rad s−1. Its rotational kinetic energy is
10 J
20 J
50 J
100 J
2.
A torque of 10 N m turns a wheel through 6.0 rad. The work done is
0.60 J
16 J
60 J
120 J
3.
A rolling solid cylinder has total kinetic energy
½mv2
¾mv2
mv2
¼mv2
4.
Which reaches the bottom of a slope first when all roll from rest?
Hoop
Solid cylinder
Solid sphere
All arrive together
5.
The speed of a rolling solid cylinder after dropping through height h from rest is
√(2gh)
√(4gh/3)
√(gh)
√(gh/2)
6.
The power delivered by a torque of 20 N m to a shaft turning at 50 rad s−1 is
0.4 W
70 W
1000 W
2500 W
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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