Observe the given distance-time graph Identify the respective speeds of the body when it moves from O (Origin) to A and B to C.
A
2kmh−1,4kmh−1
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B
1kmh−1,3kmh−1
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C
3kmh−1,5kmh−1
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D
4kmh−1,6kmh−1
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Solution
The correct option is A2kmh−1,4kmh−1 When body moves from O to A, speed = Slope of OA = ADOD =(2−01−0)=2kmh−1 When body moves from B to C, speed = Slope of BC = CGBG =(4−22.0−1.5)=4kmh−1