If an air traffic controller is describing the speed of an airplane as well as the direction in which it should begin its decent, then the air traffic controller is describing the airplane's

a. magnitude.
b. velocity.
c. speed.
d. acceleration.

I think the correct answer from the choices listed above is option B. The air traffic controller is describing the airplane's velocity. Velocity is a physical vector quantity; both magnitude and direction are needed to define it. Hope this answers the question. Have a nice day.

The correct answer for this is B. Velocity. To find velocity you need the speed and direction, what we have. Sorry for the wait, Good luck :)

Explanation :

According to Ohm's law current in a conductor between two points is directly proportional to the voltage across two points.

Mathematically,

Where,

V is the applied voltage.

I is current flowing.

R is resistance.

If the voltage increases, the current will increase because the voltage is directly proportional to the current.

Similarly, if resistance increases current will decrease because the current is inversely proportional to resistance.