Question

1. what is oscillation?
2. what is average speed?
3. a bus travels from station A to B has distance of 40 km, in 120 minutes and then from B to C has distance of 60 km in 180 minutes. calculate the value of average speed of bus.





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Answer 1

Answer:

1.Oscillation is the repetitive variation, typically in time, of some measure about a central value or between two or more different states / movement back and forth in a regular rhythm.

2.The total distance traveled divided by the total time elapsed.

3.

A to B ( 120 minutes / 2 hours divide by 40km = 30 km/h)

B to C ( 180 minutes / 3 hours divide by 60 km = 20km/h)

Average speed

30 km/h + 20 km/h = 50km/h