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Question
Given below as figure is the distance-time graph of the motion an object.
- What will be the position of the object at 20s?
- What will be the distance travelled by the object in 12s?
- What is the average speed of the object?
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Solution
i. At 20s, the object will be 8 m away from the starting point.
ii. In 12s, the distance travelled by the object will be 6 m.
iii. Average speed of the object
= `("Total distance")/("Time taken")`
= `(8"m")/(20"s")`
= 0.4m/s
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