Question

If a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent?

Answer 1

If 3cm represents 30km/h then that means 1cm represents 10km/h. So, a 5cm long vector will represent a velocity of 50km/h

Answer 2

If 3cm represents 30km/h, 5cm long vector will represent a velocity of 50km/h.

What is velocity?

Velocity is the time rate of change of displacement. The displacement and velocity both are vector quantities. They represent magnitude and direction as well.

If 3cm represents 30km/h  

1cm represents 10km/h.

5cm long vector will represent a velocity of 50km/h.

Thus, 5cm long vector will represent a velocity of 50km/h.

Learn more about velocity.

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