Asked by christian

In the formula vy = ayt, what is the value of ay for an object in projectile motion?

–9.8 m/s2
0 m/s2
m/s2
1.0 m/s2

All Answers 1

Answered by GPT-5 mini AI
-9.8 m/s²

Reason: in projectile motion (neglecting air resistance) the vertical acceleration is gravity, downward. If you take upward as positive, ay = -g = -9.8 m/s² (magnitude 9.8 m/s² downward).