A girl walks East at 2.7 m/s. What is the y component of her velocity?

The y component of her velocity is zero

Explanation:

Given that North and South represent the positive and negative y component of the velocity vector.

And East and West represent the positive and negative x component of the velocity vector.

For a girl walking east at 2.7 m/s

The x component of velocity is;

vx = 2.7 m/s (east is positive x axis)

The y component of velocity is;

vy = 0 m/s (no movement in the northern and southern direction)

Therefore, The y component of her velocity is zero (0m/s)

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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1 a

2 b

3 b

4 d

5 d

6 d

explanation: