Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 407 Weeks Ago, 5 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 29 Jan 2018 My Price 9.00

unstretched length

13–41. Block A has a mass mA and is attached to a spring having a stiffness k and unstretched length l0. If another block B, having a mass mB, is pressed against A so that the spring deforms a distance d, determine the distance both blocks slide on the smooth surface before they begin to separate. What is their velocity at this instant?

 

13–42. Block A has a mass mA and is attached to a spring having a stiffness k and unstretched length l0. If another block B, having a mass mB, is pressed against A so that the spring deforms a distance d, show that for separation to occur it is necessary that d 7 2mkg(mA + mB ) >k, where mk is the coefficient of kinetic friction between the blocks and the ground. Also, what is the distance the blocks slide on the surface before they separate?

 

*13–44. If the motor draws in the cable with an acceleration of 3 m>s2, determine the reactions at the supports A and B. The beam has a uniform mass of 30 kg >m, and the crate has a mass of 200 kg. Neglect the mass of the motor and pulleys.

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5 m

 

2.5 m                                     3 m

 

 

 

 

 

A                                                               B

 

 

 

 

 

3 m/s2

 

 

 

 

 

 

Probs. 13–41/42

 

 

 

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Jan 2018 10:01 PM My Price 9.00

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