Perpendicular 5712

Adam and Boris go from school on two perpendicular paths. Adam's average speed is 6 km/h, and Borisova's is 8 km/h. How far will they be by air for 0.5 hours?

Correct answer:

s =  5 km

Step-by-step explanation:

v1=6 km/h v2=8 km/h t=0.5 h s1=v1 t=6 0.5=3 km s2=v2 t=8 0.5=4 km s=s12+s22=32+42=5 km



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