Question

Let's assume that two objects with masses mA and mB are mvoing with velocities vA and vB along the x-axis. The two objects collide elastically head-on. (see figure a). After the collision, their velocities are vA' and vB' as it is shown in figure b. For any v > 0, the object is moving to the right (increasing x), whereas for v < 0, the object is moving to the left (toward decreasing values of x). Find the velocities of the objects after the collision. What is the role of the masses if any in the final result?

VB
mA
UA
(a)
UB
mB
mA VA
(b)
(a) Before the collision and (b) after the collision

Image Transcription

VB mA UA (a) UB mB mA VA (b) (a) Before the collision and (b) after the collision

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Tagged in
SciencePhysics

Collisions