Learning objective
A.5.1 (HL)—Reference frames
• Reference frames.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Course review
Review each learning objective in this topic, then open its concept explanation or question set.
Learning objective
• Reference frames.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Galilean relativity: Newton’s laws are identical in all inertial frames.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Galilean transformations: x′=x-vt and t′=t.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Galilean velocity addition: u′=u-v.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Two postulates of special relativity.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Lorentz transformations relate event coordinates between inertial frames. • Use γ and the two inertial-frame coordinates x, t and x′, t′.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Relativistic velocity addition: u′=(u-v)/(1-uv/c^2).
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Space-time interval is invariant: (Δs)^2=(cΔt)^2-(Δx)^2.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Proper time interval and proper length.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Time dilation: Δt = γΔt0.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Length contraction: L = L0/γ.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Relativity of simultaneity.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Space-time diagrams.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• On space-time diagrams, world-line angle relates to speed: tan θ = v/c.
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Muon decay is experimental evidence for time dilation and length contraction.
Start with the concept explanation, then practise to create mastery evidence.