If a bar magnet is broken into few pieces, what will the poles each individual broken piece be? How you can find out whether your answer is correct

they will become small magnets with both a north and south pole and u can verify which pole is which by using a callibrated magnet

Explanation:

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.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !