Multiple ChoiceThe earth's circumference is approximately 40.1 Mm (megameters). What is this circumference in kilometers?7013views226rank7comments
Multiple ChoiceAstronomers often detect radio waves with wavelengths of 3,000,000,000 nm. What is this wavelength expressed in decameters (dam)?4742views215rank5comments
Textbook QuestionThe position of an object is given by 𝓍 = At + Bt², where 𝓍 is in meters and t is in seconds. What are the units of A and B?1483views