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A bullet of mass ma= 0.01 kg moving with an initial speed of va= 200 m/s...

A bullet of mass ma= 0.01 kg moving with an initial speed of va= 200 m/s embeds itself in a wooden block with mass mb= 0.99 kg moving in the same direction with an initial speed vb= 2.6 m/s. What is the speed of the bullet-embedded block after the collision? What is the total kinetic energy of the bullet and block system before and after the collision?

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