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Promise To Give Points If Answered Properly! :]
With solution
Nonsense answer = report
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Answer:
1.
a) Average speed is calculated by dividing the total distance traveled by the total time taken. So, the average speed for Ana is (18+4.6) kilometers/5 hours + 3 hours = 22.6 kilometers / 8 hours = 2.825 kilometers per hour.
b) Average velocity is calculated by dividing the total displacement by the total time taken. Displacement is the change in position and it is equal to the final position minus the initial position. Ana started at a point and ended at another point 4.6 kilometers west, so her displacement is 4.6 km west. Her average velocity is 4.6 km / (5 hours + 3 hours) = 4.6 km / 8 hours = 0.57 km/hour west.
2. Speed is calculated by dividing the total distance traveled by the total time taken. The speed of a ball that travels 209 kilometers in 18 hours is 209 km / 18 hours = 11.6 km/hour.
3. Average velocity is calculated by dividing the total displacement by the total time taken. Abril traveled 5 km north, so her displacement is 5 km north. Her average velocity is 5 km / 4 hours = 1.25 km/hour north.
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