Answer:

Explanation:
The speed of the ball in meters per second is

Where t denotes the number of seconds since the ball has been thrown and
is the initial speed of the ball. Then:

If the ball travels 25 meters during the first 2 seconds after it is thrown, what was the initial speed of the ball
Also, for constant acceleration motion, the average velocity is equal to the sum of final and initial velocities divided by 2 and to the distance divided by the time:

Where you know:
Substituting (the units are ommited in the equationn, but added at end of the answer):


Thus, you have a system of equations:


Substituting the second into the first:


Answer:
read below
Explanation:
The answers are close so, #1 would not make much sense. Coasts are exactly where land and water meet so... #2 I guess that would also make sense since water deposits sediments and it's where land meets water. #3, um, coasts won't be exactly flat if sediments from water are brought and it's where water and land meet, so it can't be #3. It won't be #4 since the coasts are not very steep.
I would say #2 because sediments from the shelf are what keep the coast complete. You could say #3 but i honestly don't know what else to say.
Most likely to migrate to would happen to be 70 miles away with a population of 7000 because no one likes overcrowded places with barely little to no walking space so D. and A. are out of the question
and for options B. and C. they were a little harder to make out becuase they both seemed legit at first but when you realize it 1500 is really far thats like moving from end to end on that country just about anyways so i went with option choice B.
if this helps mark brainliest