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.5.5 Velocity Addition Transformations – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which expression gives u′?
u − v
(u + v)/(1 − uv/c2)
(u − v)/(1 − uv/c2)
(u − v)/(1 + uv/c2)
2.
A pulse of light has u = c in S. In S′ moving at v relative to S its speed is
c
c/γ
c − v
c + v
3.
A ship at 0.50c fires a missile at 0.50c forward relative to the ship. Speed relative to the observer (in units of c) is
0.75
0.50
1.00
0.80
4.
For u and v much less than c, the formula
gives u′ = c
reduces to u − v
gives zero
diverges
5.
Which statement is correct?
Light speed depends on frame
γ is below 1
Velocities can add to more than c
Combining two speeds below c gives a speed below c
6.
Two rockets approach head-on at 0.60c each relative to Earth. Speed of one relative to the other (units of c):
0.88
0.30
1.20
0.60
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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