9. Am - 500 kg sack of coal falls vertically onto a M = 2000 kg railroad flatcar which was initially moving horizontally at 3 m/s. No external forces, including friction, acton the flatcar. After the sack rests on the flatcar, the speedof the flatcar is: a) 1.8 m/s b) 2.4 m/s c) 3.6 m/s d) 0.6 m/s e) 1.2 m/s
9. Am - 500 kg sack of coal falls vertically onto a M = 2000 kg railroad flatcar which was initially moving horizontally at 3 m/s. No external forces, including friction, acton the flatcar. After the sack rests on the flatcar, the speedof the flatcar is: a) 1.8 m/s b) 2.4 m/s c) 3.6 m/s d) 0.6 m/s e) 1.2 m/s
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Transcribed Image Text:9. Am = 500 kg sack of coal falls vertically onto a M = 2000 kg railroad flatcar
which was initially moving horizontally at 3 m/s. No external forces, including
friction, acton the flatcar. After the sack rests on the flatcar, the speedof the
flatcar is:
a) 1.8 m/s
b) 2.4 m/s
c) 3.6 m/s
d) 0.6 m/s
e) 1.2 m/s
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