The masses mA=40 kg and mB=30 kg and spring constant k=400 N/m. The two masses are released from...

Question:

The masses m{eq}_A {/eq}=40 kg and m{eq}_B {/eq}=30 kg and spring constant k=400 N/m. The two masses are released from rest on the smooth surface with the spring stretched 1 m.

What are the magnitudes of the velocities of the masses when the spring is unstretched?

Spring

Spring is used to minimize the vibrations in cars, machines, etc. It absorbs the mechanical energy and releases it when required. The springs are used in the clutches also.

Answer and Explanation: 1

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Given Data

  • The mass of block A is: {eq}{m_A} = 40\;{\rm{kg}} {/eq}.
  • The mass of block B is: {eq}{m_B} = 30\;{\rm{kg}} {/eq}.
  • The spring constant...

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Practice Applying Spring Constant Formulas

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Chapter 17 / Lesson 11
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In this lesson, you'll have the chance to practice using the spring constant formula. The lesson includes four problems of medium difficulty involving a variety of real-life applications.


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