Asked by vannessa
A girl walks 50m on a bearing 025° and then 200m due east.How far is she from her starting point
Answers
Answered by
Steve
she walks on a heading, not a bearing.
50@25° = (50sin25°,50cos25°) = (21.13,45.32)
add to that (200,0)
and you end up at (221.13,45.32)
the distance moved is thus 225.73m
50@25° = (50sin25°,50cos25°) = (21.13,45.32)
add to that (200,0)
and you end up at (221.13,45.32)
the distance moved is thus 225.73m