Bakit dapat pag-aralan ang talambuhay ni pangulong macapagal?​

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?