A boxcar of mass 300 tons at rest becomes uncoupled on a 2.0° grade.If the track is considered to be frictionless,what speed does the boxcar have after 8 seconds?
A) 8.5 m/s
B) 0 m/s
C) 35.1 m/s
D) 2.7 m/s
E) 0.3 m/s

Question

A boxcar of mass 300 tons at rest becomes uncoupled on a 2.0° grade.If the track is considered to be frictionless,what speed does the boxcar have after 8 seconds?
A) 8.5 m/s
B) 0 m/s
C) 35.1 m/s
D) 2.7 m/s
E) ​0.3 m/s

Quizplus · Accepted Answer

The Answer of A boxcar of mass 300 tons at rest becomes uncoupled on a 2.0° grade.If the track is considered to be frictionless,what speed does the boxcar have after 8 seconds?
A) 8.5 m/s
B) 0 m/s
C) 35.1 m/s
D) 2.7 m/s
E) ​0.3 m/s

A Boxcar of Mass 300 Tons at Rest Becomes Uncoupled