29.    You are lookingdown at the earth from inside a jetliner flying at an altitude of8690 m. The pupil of your eye has a diameter of 2.00mm. Determine how far apart two cars must be on the ground ifyou are to have any hope of distinguishing between them in (A) redlight (wavelength = 665 nm in vacuum) and (B) violet light(wavelength = 405 nm in vacuum).