This solution uses a coordinate system where the pumpkin starts at (xo, yo) = (0,0) and ends at (x, y) = (d, 0). Other solutions can pick a different origin with the same results. Plugging in: d = (vo cos 0o) tair (Eqn. 1) 0 = (vo sin 0o) tair - gtir (Eqn. 2) We now have 4 variables and 2 equations (assuming g = 9.8 is known). If 2 variables are given, the equations can be solved. Note that will be a given variable for projectile motion in Physics 121 to avoid overly complicated trigonometric equations. Question: VO El m S Type your answer... vo 127m Type your answer... 00 30.4° 00 34.3⁰ d 1,377m tair S 40
This solution uses a coordinate system where the pumpkin starts at (xo, yo) = (0,0) and ends at (x, y) = (d, 0). Other solutions can pick a different origin with the same results. Plugging in: d = (vo cos 0o) tair (Eqn. 1) 0 = (vo sin 0o) tair - gtir (Eqn. 2) We now have 4 variables and 2 equations (assuming g = 9.8 is known). If 2 variables are given, the equations can be solved. Note that will be a given variable for projectile motion in Physics 121 to avoid overly complicated trigonometric equations. Question: VO El m S Type your answer... vo 127m Type your answer... 00 30.4° 00 34.3⁰ d 1,377m tair S 40
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 14OQ: A vector points from the origin into the second quadrant of the xy plane. What can you conclude...
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