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  3. 1. a 150-kg sewing machine operates at 1200 rpm an

1. A 150-kg sewing machine operates at 1200 RPM and has a rotating unbalance of 0.45...

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Mechanical Engineering

1. A 150-kg sewing machine operates at 1200 RPM and hasa rotating unbalance of 0.45 kg-m. What is the max stiffness of anundamped isolator such that the force transmitted to the machine’sfoundation is less than:

a) 1547

b) 2547

2. Redesign helicopter seat (i.e. find new stiffness) sothat the maximum velocity experienced by the pilot is 1mm/sec.

Answer & Explanation Solved by verified expert
4.0 Ratings (507 Votes)
Firs of all from given data we need to calculate Aplitude    See Answer
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