A.5.11 (HL)—Length contraction Topic Practice
A.5.11 (HL)—Length contraction Topic Practice
Build confidence with length contraction by selecting the proper length first, then calculating the moving-frame length or separation.
How this is tested
- use L = L0/γ after identifying L0 as the proper length measured in the object's rest frame
- contract an Earth-frame separation before later steps, then quote the spaceship-frame distance with units
- explain the result by stating the decision that measured length depends on frame, unlike absolute space