Using momentum, Newton's first law of motion, and/ or newton's second law of motion; explain how a rocket is launched deep into the atmosphere?

Using momentum, Newton’s first law of motion, and/ or newton’s second law of motion; explain how a rocket is launched deep into the atmosphere?
A small child is riding on a carousel. Her Dad notices as she goes by, that she is moving at 4.5 m/s. He alson notices that it takes her 12 seconds to make one complete revolution. What is the radius of the carousel?
Determine the momentum of a 0.45 caliber bullet (m= 0.162 kg) leaving the muzzle of a gun at 860 m/s
An automobile traveling along a straight road increases its speed from 32 ft/s to 48 ft/s in 180 ft. If the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in units of s