Answered

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Marissa uses her bicycle to do a morning paper route. Starting at her home, she travels 3 km North, then 1 km East, then 3 km North, and lastly 1 km West. She completes the root in 1.5 hours. a. What is your displacement in regards to her home?
b. What is her velocity?

Sagot :

ardni313

a. displacement = 6 km

b. velocity = 4 km/h

Further explanation

Given

a morning paper route

Required

displacement

velocity

Solution

Displacement is a vector quantity that shows changes in the position of objects in a certain interval of time. Displacement has magnitude and direction

Can be simplified displacement = distanced traveled from starting point to ending point

a. Since we only consider the starting point and the end point, we just need to add up the distances to the north

3 km + 3 km = 6 km

b. Velocity = displacement changes with time

[tex]\tt v=\dfrac{d}{t}=\dfrac{6~km}{1.5}=4~km/h[/tex]

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