B. North Pole because it’s pointing at the north pole, and not the others
Answer:

Explanation:
From the question we are told that:
Coefficient of kinetic friction 
Vertical Mass 
Horizontal mass
Generally the equation for kinetic force
is mathematically given by

Generally the equation for T is mathematically given by

For 

Therefore substituting


Answer:
Velocity v= 12.25 
Explanation:
The first rock dropped give the distance Y in meters

Now the motion of the second rock the time change so to know the velocity
