Please answer this question , I’m not solve

Apossible explanation for a set of facts that can be tested by further investigation is called

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils