The driver of a car moving with uniform speed of 40m/s¹ observes a truck approaching from the opposite direction with a speed of 20m/s¹. Calculate the speed of the car relative to that of the truck

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A. .5ms‾¹
B. 2.0ms‾¹
C. 20.0ms‾¹
D. 60.0ms‾¹

Correct Answer: Option D

D. 60.0ms‾¹

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