1.

Arm ABCD is printed at B and undergoes reciprocating motion such that = (0.3 sin 4t) rad, where t is measured in seconds and the argument for the sine is in radiaus. Determine the largest speed of point A during the motion and the magnitude of the acceleration of point D at this instant.

A. vAmax = 0.0600 m/s, aD = 1.002 m/s2
B. vAmax = 0.300 m/s, aD = 0.960 m/s2
C. vAmax = 0.0600 m/s, aD = 0.916 m/s2
D. vAmax = 0.300 m/s, aD = 0.288 m/s2
Answer» E.


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