Una rapidez de 7 mm/us es igual a:
A) 7000m/s
B) 70 m/s
C) 7 m/s
D) 0.07 m/s
1 answer:
For this conversion you should know that 1 meter has 1000 millimeters and that 1s equals 1000000 micro seconds, then:
7mm/us * 1m/1000mm * 1000000us/1s = 7000 m/s
The mm are canceled just like the micro seconds and the result remains in m / s .
Therefore option A is correct
A) 7000m / s
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