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Q.

A car travels 200km in 2hours and travels 240km in the next 3 hours. If the acceleration is constant then the distance it will travel in the next one hour is:


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a

64km

b

72km

c

84km

d

40km 

answer is D.

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Detailed Solution

Distance travelled by a car in 2 hours = 200km
Distance travelled by a car in next 3 hours = 240km
Since the acceleration is constant
So, the distance it will travel in the next one hour is shown by the slope
Here, coordinates are (2, 200) and (3, 240).
So, Distance will be
Question ImageHence, it will travel 40 km in the next one hour.
Hence, Option (4) is the correct answer.
 
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