Question

answered
John drove South 120 km at 60 km/h and then East 150 km at 50 km/h. Determine
a) the average speed for the whole journey?
b) the magnitude of the average velocity for the whole journey?​

2

Answer 1

Explanation:

average speed= total distance taken/ total time

=120+50/2+3

=170/5

=34km/h

average velocity= initial+final velocity/2

=60+50/2

=110/2

=55km/h