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Question

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A bullet with mass 20 grams and velocity 100 m/s collides with a wooden block of mass 2 kg. The wooden block is initially at rest, and is connected to a spring with k = 800 N/m. The other end of the spring is attached to an immovable wall. What is the maximum compression of the spring?

Note: You may assume that the spring is massless and that the collision between the bullet and the wooden block is completely inelastic.

Explanation / Answer

0.049mts; explanation using conservation of energy; 0.5*k*x^2=0.5*2.02*(final velocity after collision)^2

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