Acruise ship travels directly toward the dock at a speed of 12 m/s

Thanks for sharing that information.  After extensive calculation,
we can say with assurance that after some number of seconds,
a loud "crunch" is perceived by the souls aboard the ill-fated vessel.

The objects are acted upon by only one force. gravity. mass times the acceleration of gravity (-9.81meters/second squared).

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )