A car is moving at 20m/s East for 4.0 minutes, then turns left and continue nort
ID: 1433242 • Letter: A
Question
A car is moving at 20m/s East for 4.0 minutes, then turns left and continue north for 3.0 minutes at 15 m/s? a) how far did the car travel East? b) how far did the car travel North? c) what is the average speed of the car for the entire trip? d) what is the total displacement of the vehicle? Show the steps: A car is moving at 20m/s East for 4.0 minutes, then turns left and continue north for 3.0 minutes at 15 m/s? a) how far did the car travel East? b) how far did the car travel North? c) what is the average speed of the car for the entire trip? d) what is the total displacement of the vehicle? Show the steps: a) how far did the car travel East? b) how far did the car travel North? c) what is the average speed of the car for the entire trip? d) what is the total displacement of the vehicle? Show the steps:Explanation / Answer
a) far did the car travel East = 20 * 4 * 60
= 4800 m
b) far did the car travel North = 15 * 3 * 60
= 2700 m
c) average speed of the car for the entire trip = (4800 + 2700)/420
= 17.857 m/sec
d) total displacement of the vehicle = sqrt(48002 + 27002)
= 5507.26 m
direction = tan-1( 2700/4800)
= 29.35 degrees north east
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