Speedometer & its properties

Q.  A speedometer typically has a threshold of about 15 km/hr. If the car starts from rest and accelerates, the speedometer will
- Published on 04 Nov 15

a. Start reading from the moment the car starts
b. Start reading when the speed reaches 15 km/hr
c. Start reading when the speed reaches 30 km/hr
d. None of these

ANSWER: Start reading when the speed reaches 15 km/hr

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