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If a speedometer has an uncertainty of 2.0 km/hr at a speed of 90 km/hr, what is the percent
uncertainty?


Sagot :

Answer:

The percent uncertainty is approximately 2.22%.

Explanation:

Formula:

Percent Uncertainty = (Measured Value/Absolute Uncertainty)×100

Given:

  • Absolute Uncertainty = 2.0 km/hr
  • Measured Value = 90 km/hr

Computation:

Percent Uncertainty = (2.0/90)×100

Percent Uncertainty = (0.022)×100

Percent Uncertainty = 2.22%