8. A single slit, which is 0.0500 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum?

A plane leaves Seattle, flies 85.0 mimi at 20.0 ∘∘ north of east, and then changes direction to 51.0 ∘∘ south of east. After flying at 125 mimi in this new direction, the pilot must make an emergency landing on a field. The Seattle airport facility dispatches a rescue crew. A.) In what direction should the crew fly to go directly to the field? Use components to solve this problem. B.) How far should the crew fly to go directly to the field? Use components to solve this problem.

V/A Spelunlier drops astone off of aclıff inadarl cave at the instmat he starts his stonwatch.Hehears the stone hit water 1.3secends utter he releases it. How fe below is the water? Give yor mswer in feed. A27.2 ft B 8.3 t7 ८घ दा cis.4 ft D)9.0 t# 3D. 2 ft

Im having difficulty with these problems.