A car is moving at a speed of 10 ms-1. Its spee...

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10 + 1 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

A car is moving at a speed of 10 ms-1. Its speed expressed in kmh-1 is:

100 kmh-1

36 kmh-1

72 kmh-1

50 kmh-1