1.

AnsweredJohn drove South 120 km at 60 km/h and then East 150 km at 50 km/h. Determinea) the average speed for the whole journey?b) the magnitude of the average velocity for the whole journey?​2

Answer»

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



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