A student walks 12m south, then 15m east, then 15m west and finally 12m north. How far has the student walked? What is the student's displacement

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?