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Introductory Physics Homework Help
How Do You Calculate Bullet Trajectory in Projectile Motion?
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[QUOTE="CAF123, post: 4508088, member: 419343"] If you want the bullets flight time, then the first kinematic equation in your list gives you that right away. Displacement and acceleration are vector quantities. You defined downwards as positive. You could have equally as well defined it to be negative, in which case ##a_y = -9.8## and ##y_1 - y_0 = -0.025##. So their product is still positive under sqrt. But then of course, you have to interpret the sign of ##v_{y_1}## correctly. [/QUOTE]
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How Do You Calculate Bullet Trajectory in Projectile Motion?
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