Municipalities 63534

The tachometer with a relative measurement error of 5% showed a speed of 49 km/h when crossing municipalities.
Did the car driver exceed the permitted speed of 50 km/h?

Correct answer:

v2 =  51.45 km/h

Step-by-step explanation:

v1=49 km/h q=100%+5%=1+1005=1.05  v2=v1 q=49 1.05=201029=51.45=51.45 km/h  v2 > 50 km/h

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