Problem (5) A gun barrel of mass 500kg has a recoil spring of stiffness 3,00,000 N/m. If the barrel recoils 1.2 meters on firing. Determine, (a) Initial velocity of the barrel (b) Critical damping coefficient of the dashpot which is engaged at the end of the recoil stroke (c) Time required for the barrel to return to a position 50mm from the initial position. HINT: Strain energy stored in the spring at the end of recoil ( P = ; kx² ) = Kinetic energy lost by the gun barrel ( T = ; kx ²) P = kx²=T =; kx?

Problem (5) A gun barrel of mass 500kg has a recoil spring of stiffness 3,00,000 N/m. If the barrel recoils 1.2 meters on firing. Determine, (a) Initial velocity of the barrel (b) Critical damping coefficient of the dashpot which is engaged at the end of the recoil stroke (c) Time required for the barrel to return to a position 50mm from the initial position. HINT: Strain energy stored in the spring at the end of recoil ( P = ; kx² ) = Kinetic energy lost by the gun barrel ( T = ; kx ²) P = kx²=T =; kx?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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