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A motorist travelling at 72kmh1 had his eyes shut...

A motorist travelling at 72kmh1 had his eyes shut for 0.4s during a hard sneeze. Calculate the distance covered by him during this time interval.

A.

50.0m

B.

28.8m

C.

18.0m

D.

8.0m

Correct answer is D

Convert velocity from kmh1 to ms1, by multiplying 10003600

72×10003600 = 20ms1

Therefore, distance covered in 0.4s =  20×0.4=8m