Train Engine
What is the speed of a train engine and a boxcar for an inelastic collision?
A train engine weighs 5 times as much as a boxcar. If the motor coasts at 3 km / h in the car which he, initially at rest and is connected to the car, how fast the move by both the inelastic collision?
First, you should ask yourself: "What I am for the solution?" In this case, you are responsible for the solution "v prime", and given m1 = 5m2. v1 = 3 km / h v2 = 0 m / s. m2 = m2 i guess. Starting with the equation: m1v1 + m2v2 = M1v1 + m2v2 (Note that the two "v" after the equals sign should say: "v prime." I wanted to confuse you, however). Since "v2" is initially at rest, it has a speed of ZERO, in which the v2 and m2 from crossing. * So, after the completion of algebra step v is equal to prime (m1v1) / (m1 + m2). Now sub in numbers, and I have to be v prime: 2.5 km / h
Metra Passenger Train Engine 209 Franklin Park ILL
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