Solve this:

Solve this: moving in the train-frame- . is amang- and 'Puæ has already (in the following æcti«n ve shall that +3- frame of reference is alrea±y and describing the motim of in frame. Sometimes the of the fr•aæ us the context and we do it- Thas- oc says the car travelling and nckshav us is clear that all positions are fnrn a fr•r attached to the road. 3.2 DISTANCE AND DISPLACEMENT Suppose a particle is at A at time tt at B Ime t: With respect to a given frame (figure 32L O z' Figure 3.2