A girl drove to a hospital from her home and noted that the odometer reading of her car increased by 12.0 km. The trip took 18.0 min
a) what was her average speed?
b) IS she returned home by the same path 7 h 30 min after she left, what was her average speed and velocity for the entire trip?
Answers
Answered by
2
Answer:
Explanation:
(a)
Distance traveled = 12 km
Time taken = 18 min = 18/60 h
So, average speed = 12/(18/60) = 40 km/h
(b)
Distance traveled = 12+12 = 24 km
She returned home 7h 30min after leaving home. So, total time of her trip is = 7h 30 min = 7.5 h
Average speed = 24/7.5 = 3.2 km/s
Answered by
2
Answer:Distance traveled = 12 km
Time taken = 18 min = 18/60 h
So, average speed = 12/(18/60) = 40 km/h
(b)
Distance traveled = 12+12 = 24 km
She returned home 7h 30min after leaving home. So, total time of her trip is = 7h 30 min = 7.5 h
Average speed = 24/7.5 = 3.2 km/s
Explanation:
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