Tema 01: Cinemática
del punto
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Subtema 01: Generalidades
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01_01_008
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Origen: No consta
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Nivel: 0/3
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Posición, velocidad,
aceleración
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A particle moves
along a curve whose parametric equations are x = 3t2 ,
y = 4 sen3t , z = 5 cos2t. Find its velocity and acceleration.
Find the magnitudes of the velocity and acceleration at t = 0.
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S O L
U C I Ó N:
(A)
x = 3t2
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vx = 6t
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ax = 6
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y = 4 sen3t
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vy = 12
cos3t
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ay =
-36 sen3t
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z = 5 cos2t
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vz =
-10 sen2t
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az =
-20 cos2t
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(B)
(C)
*
* * * * * * * * *
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