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.

Thank you. If u have any questions please let me know.

I hope u will follow me and make this the brainliest answer.

answer: the answer is a