Question

A scientist from the United States conduct an experiment using miles per hour to measure speed why might this be confusing for sciencetist in other countries
1.scientist in other countries don't usually perform experiments involving speed

2. Scientist in other countries express speed as mass times acceleration

3. Scientist in other countries use SI units when measuring speed

4. Scientist in other countries do not use SInunits when measuring speed

Answer 1

3. Scientist in other countries use SI units when measuring speed.

Miles are from the imperial system. The Imperial System is used in only three countries, Liberia, Myanmar (Burma) and the United States of America.