Question

What is the fastest motion that can be measured in any frame of reference? (1 point)
Responses

300,000 km/s
300,000 km/s

186,000 km/s
186,000 km/s

186,000 m/s
186,000 m/s

300,000 m/s
300,000 m/s

Answer 1

The fastest motion that can be measured in any frame of reference is **300,000 km/s**, which is the speed of light in a vacuum.