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The initial kinetic energy of the system is K. The final kinetic energy of the system is K/n. What is the value of n?

Question

The initial kinetic energy of the system is K. The final kinetic energy of the system is K/n. What is the value of n?

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Solution

Break Down the Problem

  1. We know the initial kinetic energy K K and the final kinetic energy Kn \frac{K}{n} .
  2. We need to find n n in terms of the relationship between the initial and final kinetic energies.

Relevant Concepts

  1. The kinetic energy K K is given by the formula: K=12mv2 K = \frac{1}{2} mv^2 where m m is the mass and v v is the velocity.

Analysis and Detail

  1. We can determine the change in kinetic energy: Initial Kinetic Energy=K \text{Initial Kinetic Energy} = K Final Kinetic Energy=Kn \text{Final Kinetic Energy} = \frac{K}{n} To find n n , we can set up the equation: K=nKn K = n \cdot \frac{K}{n} This shows that K K is multiplied by n n to reach the initial condition again.

Verify and Summarize

  1. By simplifying the equation, we find: Kn=K1=n \frac{K}{n} = K \Rightarrow 1 = n Thus, n n must equal 1.

Final Answer

The value of n n is 1 1 .

This problem has been solved

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