11. A 5,000 kg train is traveling at a velocity of 100 m/s and hits another train. The two trains stick together, and the new velocity is 50 m/s. What is the
mass of the second train?
A. 5,000 kg
B. 15.000 kg
C. 10,000 kg
D. 8.000 kg

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

answer; equivalent to a one(1) horsepower motor;

conservation of mass

mass before something happens = mass afterwards

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle