A square plastic chunk with mass 0.750 kg is suspended from thelower end of a light cord that is 1.66 mm long. The plastic chunkis stay still in the beginning without any motion. A bullet withmass 0.0132 kg is on the way to the plastic chunk with a horizontalvelocity v0. The bullet hits the plastic chunk and then embedded init. After collision, combined bullet and plastic chunk swings onthe end of the cord. When the plastic chunk has risen a verticalheight of 0.800 mm , the tension in the cord is 4.98 N .
What was the initial velocity v0 of the bullet?
