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.3.4 Kinetic Energy – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A 2.0 kg object moves at 6.0 m s−1. Its kinetic energy is
12 J
18 J
36 J
72 J
2.
The speed of a car doubles. Its kinetic energy
doubles
becomes 4 times larger
becomes 8 times larger
is unchanged
3.
Net work of 150 J is done on a 3.0 kg block initially at rest. Its final speed is
5.0 m s−1
10 m s−1
50 m s−1
100 m s−1
4.
A graph of kinetic energy against v2 for a mass m has gradient
m
½m
2m
m2
5.
A car travelling at 15 m s−1 stops in 20 m. If it was travelling at 30 m s−1 with the same braking force, the stopping distance would be
20 m
40 m
60 m
80 m
6.
Which expression equals kinetic energy in terms of momentum p and mass m?
p2/2m
2p/m
mp2
p/2m
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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