A Boxcar of Mass 200 Tons at Rest Becomes Uncoupled $\degree$

question 51

Multiple Choice

A boxcar of mass 200 tons at rest becomes uncoupled on a 1.5 $\degree$ grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?

• A) 0.37 m/s
• B) 0.59 m/s
• C) 2.6 m/s
• D) 4.3 m/s

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