Multiple choice
1. if you exert a force of 12,000 n on a 3,000 kg car and a 6,000 kg truck that are both originally at rest, what
will be the resulting accelerations of the objects?

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

What happens when you slowly pulled the carboard?

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3