Two uniform rods are connected to a table by pivots at one end. Rod B is longer
ID: 1375691 • Letter: T
Question
Two uniform rods are connected to a table by pivots at one end. Rod B is longer than rod A. Both are released simultaneously from an initial angle theta as shown in the figure. Neglect air friction. NOTATION: CM = center of mass; alpha = angular acceleration; |ay|= size of downward acceleration. (Give ALL correct answers, i.e., B, AC, BCD...) A) The density of the rods affects their rate of fall. B) Rods A and B hit the table at the same time. C) alpha A and alpha B are the same initially. D) alpha A and alpha B are dependent on theta. E) The CM of B has a greater speed just before it lands than the CM of A has just before A lands. F) |ax| of the CM initially equals 0 for both rods. G) |ay| is initially equal for the CM of A and B. H) The magnitudes of alpha A and alpha B both increase with time.Explanation / Answer
These are true:
B
C
D
E
H
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