It would be 1. B 2. A 3. A
Electrons that are further away from the nucleus have more energy. As they enter an "excited" state, they jump up orbits.
Silt and other wash can accumulate behind the motor and if other boats are added they can get their hulls damaged or scraped then, depending on the size of the material. It can also cause trailers to get stuck if they drive into the place from where the boat came.
Answer:
When a car stops suddenly, the inertia the keeps you moving forward will finally stop and give you whiplash, which could seriously injure or even kill a baby. With the seat turned back, the force will be decreased dramatically, and prevent any fatal harm.
Power = Work/Time
Convert 5 min to seconds and divide 2150J by that number.