science
Grade-9
Easy
Question
The s-t graph of a car is shown in the figure below. Calculate the total time for which the car was at rest.
- 3 hours
- 2 hours
- 5 hours
- 7 hours
Hint:
5 hours
The correct answer is: 5 hours
The car was at rest from B to C and D to E
Total time the car was at rest = (8-5) + (14-12)
Total time = 3+2 = 5h
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