x = (vo cos a)t, y = (vo sin a)t show that x? + (y + gr²/2)² = vo?r². This shows that projec- tiles launched simultaneously from the origin at the same initial speed will, at any given instant, all lie on the circle of radius vot centered at (0, - gr²/2), regardless of their launch angle. These circles are the synchronous curves of the launching.

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
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Synchronous curves By eliminating a from the ideal projectile equations

x = (vo cos a)t, y = (vo sin a)t
show that x? + (y + gr²/2)² = vo?r². This shows that projec-
tiles launched simultaneously from the origin at the same initial
speed will, at any given instant, all lie on the circle of radius vot
centered at (0, - gr²/2), regardless of their launch angle. These
circles are the synchronous curves of the launching.
Transcribed Image Text:x = (vo cos a)t, y = (vo sin a)t show that x? + (y + gr²/2)² = vo?r². This shows that projec- tiles launched simultaneously from the origin at the same initial speed will, at any given instant, all lie on the circle of radius vot centered at (0, - gr²/2), regardless of their launch angle. These circles are the synchronous curves of the launching.
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