An object of mass m travelling at velocity u collides with an identical stationary object of mass m. After collision, both objec
ts are stick to each other and move together. Find the common final velocity of these objects, v in term of u.
Can someone please help answering the question.
Can someone please help answering the question.
1 answer:
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Explanation:
Given that,
Mass of a freight car,
Speed of a freight car,
Mass of a scrap metal,
(a) Let us assume that the final velocity of the loaded freight car is V. The momentum of the system will remain conserved as follows :
So, the final velocity of the loaded freight car is 0.182 m/s.
(b) Lost on kinetic energy = final kinetic energy - initial kinetic energy
Lost in kinetic energy is 8518.82. Negative sign shows loss.