Answer:
It appears that your answer contains either a link or inappropriate words. Please correct and submit again!
Hold on, our servers are swamped. Wait for your answer to fully load.
Answer:
,
, 
Explanation:
The equations of equilibrium for the rock are:


After some algebraic handling, the following expression is found:


Deceleration experimented by the rock is:


The distance travelled by the rock before stopping is:


And the time is:

