Which of the following is a vector quantity?
o
a. 35.6 pounds at 3 years old
o
b. 25 gallons of water
o
c. 100 mph maximum
o
d. 30 m/s going west
?

D

Explanation:

30ms-1 going west is vector quantity.

What is a vector quantity? It is a quantity that has both direction and magnitude.

In the first three options there is only magnitude, like weight age and things.

But the last one has both magnitude and direction.

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explanation: