Question
Asked Dec 2, 2019
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A 7100-kg railroad car travels alone on a level frictionless track with a constant speed of 16.0 m/s . A 2650-kg load, initially at rest, is dropped onto the car.

What will be the car's new speed?

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Expert Answer

Step 1

Using the conservatio...

ту, %3D (m, + m,)v,
ту,
12
(т, + т,)
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ту, %3D (m, + m,)v, ту, 12 (т, + т,)

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Advanced Physics

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