An economy car has a mass of 800 kg.
What is its weight?

The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?