Answer to Question #94623 in Physics for Ranjith Kumar

Question

A speedometer reads a speed at 103 km/hr. However, the actual speed the car is going is 98km/hr. What would be the percentage error?

Answer 1

The error of a speedometer

$$\varepsilon=\frac{\Delta v}{v}\times 100\%$$

$$=\frac{103-98}{98}\times 100\%=5.1\%$$