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.2.14 Collisions and Explosions in One-Dimension – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
In all collisions in an isolated system, the quantity that is always conserved is
Kinetic energy
Velocity
Speed
Momentum
2.
A 1.0 kg object moving at 4.0 m s⁻¹ collides elastically with an identical stationary object. Afterwards
Both move at 2.0 m s⁻¹
The first stops, the second moves at 4.0 m s⁻¹
Both stop
The first rebounds at 4.0 m s⁻¹
3.
Two carts of masses 2.0 kg and 3.0 kg at rest are pushed apart by a spring. The 2.0 kg cart moves at 6.0 m s⁻¹. The speed of the other is
2.0 m s⁻¹
9.0 m s⁻¹
6.0 m s⁻¹
4.0 m s⁻¹
4.
A 2.0 kg object at 3.0 m s⁻¹ sticks to a stationary 1.0 kg object. The kinetic energy lost is
3.0 J
0
6.0 J
9.0 J
5.
In an explosion of an initially stationary object, the total momentum after is
Greater than before
Zero
Equal to the kinetic energy
Equal to the energy released
6.
In an elastic head-on collision the relative speed of approach is 6.0 m s⁻¹. The relative speed of separation is
0
3.0 m s⁻¹
6.0 m s⁻¹
12 m s⁻¹
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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