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Question 18N.3.SL.TZ0.3b.ii

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.3.SL.TZ0.3b.ii
Level SL Paper 3 Time zone TZ0
Command term Hence, Show that Question number b.ii Adapted from N/A
b.ii.
[Maximum mark: 1]
18N.3.SL.TZ0.3b.ii

The diagram shows the axes for two inertial reference frames. Frame S represents the ground and frame S′ is a box that moves to the right relative to S with speed v.

When the origins of the two frames coincide all clocks show zero. At that instant a beam of light of speed c is emitted from the left wall of the box towards the right wall. The box has proper length L. Consider the event E = light arrives at the right wall of the box.


Using Galilean relativity,

(b.ii)

hence show that the space coordinate of E in frame S is  x = L + v L c .

[1]

Markscheme

x = x' + vt and x' = L ✔

«substitution to get answer»

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