Which term describes an object moving in two dimensions as it is acted on by gravity?

a. projectile motion
b. motion
c. influence
d. constant velocity

The answer is: A. Projectile motion

Projectile motion involves movement in at least two dimensions (x and y).  

In projectile motions, the movement on horizontal axis (x) goes at a constant velocity while in the vertical axis (y), it goes at a variable velocity because of the acting of the gravity force acceleration and it's totally independent of the horizontal acceleration.

We can calculate the horizontal and vertical distance by using the following formulas:

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a coal burning power plant

v 154.9= 0.9 length length s little over 154.9cm