42. On the bench Zhukovsky man sitting and holding in h

Pay with:
i agree with "Terms for Customers"
Sold: 0

Content: fiz037_42.doc 64,5 kB

Description

42. On the bench Zhukovsky man sitting and holding in his outstretched hands weights mass m = 10 kg each. The distance from each weight from the axis of rotation of the bench l1 = 50 cm. Bench rotates at n1 = 1,0 s-1. How will the speed of the bench, and what kind of work will produce A man, if he will tighten his hands, so that the distance from each axis of the weights to be reduced to l2 = 20 cm. The total moment of inertia with respect to human rights and the bench rotation axis J = 2,5 kg ∙ m2. The axis of rotation passes through the center of mass of the person and of the bench.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

Feedback

0
No feedback yet.
Period
1 month 3 months 12 months
0 0 0
0 0 0
In order to counter copyright infringement and property rights, we ask you to immediately inform us at support@plati.market the fact of such violations and to provide us with reliable information confirming your copyrights or rights of ownership. Email must contain your contact information (name, phone number, etc.)