(c)
v = −3 sin t, 2 cos t
a = −3 cos t, −2 sin t = −R.
The acceleration, then, is always directed toward the center of the ellipse.
At ,
At t 2 = π,
R 2 = −3, 0
v 2 = 0, −2
a 2 = 3, 0
(c)
v = −3 sin t, 2 cos t
a = −3 cos t, −2 sin t = −R.
The acceleration, then, is always directed toward the center of the ellipse.
At ,
At t 2 = π,
R 2 = −3, 0
v 2 = 0, −2
a 2 = 3, 0