The speed-time graph for a car is shown is Fig. 8.12.
Speed (ms)
8
4 6
Time (s)
Fig. 8.12
(a) Find how far does the car travel in the first 4 seconds.
Shade the area on the graph that represents the distance
travelled by the car during the period.
(b) Which part of the graph represents uniform motion of
the car?
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Answer:
Now distance covered in 4 sec = Speed X time = 6.2 m per sec X 4 sec = 24.8 meters (app.) The correct answer is 24.8 m.
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