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Question

The velocity of a car is 18m/s. Express this velocity in km/h.


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=11000km13600h

1msec=3.6kmh

18msec=18×3.6kmh

=64.8kmh

Thus, the velocity of the car is 64.8 km/h.


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