<span>g = 9.8 m/s2 and PE = m × g × h.
hope this helps you(:</span>
Answer:
It would be 5.5
for a better understanding, look it up on google
To subtract vectors, you simply have to subtract correspondent coordinates.
So, if you have

the subtraction is simply

So, in your case, we have

Answer:
its A
Step-by-step explanation: