Which job is best for a person who wants to provide
hands-on care after spending a year in training?
A
registered nurse
an on-call doctor
a surgeon
licensed practical nurse

LPN

Explanation:

An LPN or LVN can achieve that status after one year of education and training. After that, they may do hands on work with patients.  Doctors and surgeons require more than a year of training. Registered nurses generally require 2 to 4 years of education.

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be