Có mấy cách đo đại lượng vật lí

Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.

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

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?