Solve.Two particles, m1 and m2, collide in a head-on, one-dimensional, elastic collision. If the first particle had an initial speed of 1 m/sec and the second particle was initially at rest, then the final speeds of the two particles, v1 and v2 (in m/sec), are as follows: v1 =  v2 = Express the sum of the final speeds as a single rational expression.

A. 3 m/sec
B.  m/sec
C.  m/sec
D.  m/sec


Answer: D

Mathematics

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