Two-dimensional 36453

Two of its inhabitants stand at one point in the land of two-dimensional beings. Suddenly, they both start running at the same moment. Resident A runs north at 5m/s, and resident B runs east at 12m/s. Calculate how fast they are moving away from each other.

Correct answer:

v =  13 m/s

Step-by-step explanation:

v1=5 m/s v2=12 m/s  s2 = s12+s22 (vt)2 = (v1 t)2+(v2 t)2  v2 = v12+v22  v=v12+v22=52+122=13 m/s



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