Asked by Student12

A plane directly east at a velocity of 860 km/h for 45 min and then travels directly west with a velocity of 720 km/h for 1h and 30 min. Find the following values for this plane, expressed in km and km/h:

a) Total displacement

b) Total distance

c) Average velocity

d) Average speed
Answered by bobpursley
displacement: 860*.75-720*1.5 East
distance : add the above
avgvelocity=displacement/total time
avg speed: distance/total time
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