Himanshu went out for a long drive on a weekend. From 10:00PM to 11:00PM, he drove at 40km/h and from 11:00PM to 12:00AM, at 50km/h.
Select the graph that represents his motion correctly.
A
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B
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C
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D
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Solution
The correct option is B We know that the distance travelled per unit time is defined as the speed.
From 10 PM to 11 PM, Himandhu drove at 40 km/h and from 11 PM to 12 AM, he drove at 50 km/h.
This means Himanshu must have covered more distance during 11 PM to 12 AM as compared to the time interval 10 PM to 11 PM.
Since the time interval is 1 hour in both the cases, it means the graph from 11 PM to 12 AM should be more steeper as compared to the time interval 10 PM to 11 PM.