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Question

The velocity of a car is 18ms. Express this velocity in kmhr.


A

70 km/ hr

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B

64.8 km/h

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C

76 km/h

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D

65.7 km/h

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Solution

The correct option is B

64.8 km/h


1msec=11000km13600hr

1msec=3.6kmhr

18msec=18×3.6kmhr

=64.8kmhr

Thus, the velocity of the car is 64.8kmhr.

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