The block on the action of two forces, the Force of Friction and the Tangential Weight. Using the Newton's Secound Law, we have:
Using the Velocity Hourly Equation, we get:
Uniting the equations:
Entering the unknowns:

Obs: Approximate results
If you notice any mistake in my english, please let me know, because i am not native.
The person still walked 16 blocks but ended up in the same spot he started from
A convenient way to show how a fixed quantity is broken down into parts is by using a circle graph.
A circle graph shows different fixed parts in relation to the whole. All of the parts make up the whole.