yea this def aint popping up in any exams or anything that's why I posted it here as a 'challenge' becuz you probably never came across it since you never really had a reason to
also I'm pretty sure you don't need to use full-blown integration when the area is a triangle its kinda overkill lol...
hmm very nice, you got it correct under the interpretation that it accelerated from rest to 100 km/h and drove at constant speed until decelerating to rest again. However, this isn't the interpretation that was taken by the source of this question and honestly I don't blame you for...
This problem is a bit challenging, or at least I found it challenging ig (my dumbass couldn't figure it out) but the pre-req. knowledge is module 1 v-t graphs and SUVAT so no forces or anything fancy but it is a bit tricky. gl!
here's the PDF (https://arc.nesa.nsw.edu.au/standards-packs/SP01_15330/files/support_documentation/physics_syl.pdf) : )
also if you want the old syllabus for some other subject type in "Assessment Resource centre *insert sub here* pdf" into google and that should do it
I'm doing physics but...