a girl delivering newspapers covers her route by traveling 7.00 blocks west then

Question

a girl delivering newspapers covers her route by traveling 7.00 blocks west then 4.00 blocks north, and then 2.00 blocks east.
(A) What is her resultant displacement?
(B) What is the total distance she travels?
a girl delivering newspapers covers her route by traveling 7.00 blocks west then 4.00 blocks north, and then 2.00 blocks east.
(A) What is her resultant displacement?
(B) What is the total distance she travels?
a girl delivering newspapers covers her route by traveling 7.00 blocks west then 4.00 blocks north, and then 2.00 blocks east.
(A) What is her resultant displacement?
(B) What is the total distance she travels?

Explanation / Answer

A) she traveled 7 blocks west and 2 blocks east. the displacement is 5 blocks west.
she traveled 4 blocks north

also

i.e perpendicular to the east west direction.
the resultant displacement is

R = sqrt (4^2 + 5^2)

= sqrt 41

R =6.40 block

B) total distance treveled

D = 7+4+2=13 blocks

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