(c) What are the tangential speeds of the beads (in m/s) at t = 3 s? vt, 1 =16.146 m/s, ANSWERED vt, 2 =____m/s (d)What are the tangential accelerations of the beads at t = 3 s? (Enter the magnitudes in m/s2.) at, 1 = ______ m/s2 at, 2 = ______ m/s2 (e) What are the centripetal accelerations of the beads at t = 3 s? (Enter the magnitudes in m/s2.) ac, 1 = ______ m/s2 ac, 2 = ______ m/s2
Please answer C, D, E
The angular position of a rod varies as 20.7t2 radians from time t = 0. The rod has two beads on it as shown in the following figure, one at r1 = 13 cm from the rotation axis and the other at r2 = 32 cm from the rotation axis. (Note: figure may not be drawn to scale.)
(a) What is the instantaneous
(Indicate the direction with the sign of your answer. Round your answer to at least one decimal place.)
1.24.2 rad/s, ANSWERED
(b) What is the
(Indicate the direction with the sign of your answer.)
41.4 rad/s2, ANSWERED
(c) What are the tangential speeds of the beads (in m/s) at t = 3 s?
vt, 1 =16.146 m/s, ANSWERED
vt, 2 =____m/s
(d)What are the tangential accelerations of the beads at t = 3 s? (Enter the magnitudes in m/s2.)
at, 1 = ______ m/s2
at, 2 = ______ m/s2
(e) What are the centripetal accelerations of the beads at t = 3 s? (Enter the magnitudes in m/s2.)
ac, 1 = ______ m/s2
ac, 2 = ______ m/s2
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