Identify which law of motion fits the example below.

As the fuel in a rocket ignites, the force of the
gas expansion and explosion pushes out the back
of the rocket and pushes the rocket forward.

A. First Law of Motion
B. Second Law of Motion
C. Third Law of Motion

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Ivana walks 2km north then turns around and walks 3km south