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A massless spring (with force constant k=300 N/m) connects a wall and a block. The system is initially at rest, with the spring unstretched. Mass of the bullet is 0.04 kg and its velocity is v0=110 m/s before it enters the block. Friction between block and surface is μ=0.4. What are the speed of the block and bullet after it enters the block mass of the block if the maximum force of the spring to the wall is Fj=60 N?

A massless spring (with force constant k=300 N/m) connects a wall and a block. The system is initially at rest, with the spring unstretched. Mass of the bullet is 0.04 kg and its velocity is v0=110 m/s before it enters the block. Friction between block and surface is μ=0.4. What are the speed of the block and bullet after it enters the block mass of the block if the maximum force of the spring to the wall is Fj=60 N?

Elements Of Electromagnetics
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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A massless spring (with force constant k=300 N/m) connects a wall and a block. The system is initially at rest, with the spring unstretched.

Mass of the bullet is 0.04 kg and its velocity is v0=110 m/s before it enters the block. Friction between block and surface is μ=0.4.

What are the

  • speed of the block and bullet after it enters the block
  • mass of the block if the maximum force of the spring to the wall is Fj=60 N?
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