A plane needs to land on a 1 km runway. It is traveling at 33 m/s when landing, what must the acceleration be in order for the plane to stay on the runway? Group of answer choices

-0.54 m/s2

-0.0165 m/s2

0.54 m/s2

0.0165 m/s2

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