(Q.2. 30 pts) A robot arm moves so that P travels in a circle about Point B, which is not moving. Knowing that P starts from rest, and its speed increases at a constant rate of 5 mm/s?, determine (a) the magnitude of the acceleration when t=6 s, (b) the time for the magnitude of the acceleration to be 90 mm/s². 0.8 m B
(Q.2. 30 pts) A robot arm moves so that P travels in a circle about Point B, which is not moving. Knowing that P starts from rest, and its speed increases at a constant rate of 5 mm/s?, determine (a) the magnitude of the acceleration when t=6 s, (b) the time for the magnitude of the acceleration to be 90 mm/s². 0.8 m B
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Transcribed Image Text:(Q.2. 30 pts) A robot arm moves so that P travels in a circle about Point B, which
is not moving. Knowing that P starts from rest, and its speed increases at a
constant rate of 5 mm/s', determine (a) the magnitude of the acceleration
when t=6 s, (b) the time for the magnitude of the acceleration to be 90 mm/s².
0.8 m
B
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