shekinahdavis8221 shekinahdavis8221
  • 20-02-2024
  • Physics
contestada

A 175 m long train crosses a man walking at a speed of 9 km/h in the opposite direction in 10 sec. The speed of the train is:
a) 45 km/h
b) 54 km/h
c) 72 km/h
d) 81 km/h

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