Multiple ChoiceThe earth's circumference is approximately 40.1 Mm (megameters). What is this circumference in kilometers?6393views218rank7comments
Multiple ChoiceAstronomers often detect radio waves with wavelengths of 3,000,000,000 nm. What is this wavelength expressed in decameters (dam)?4252views207rank5comments
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?1092views