A train is running at a speed of 48 km / h. How long will it take to reach a signal at distance of 80metres from the starting platform
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Answer:6 sec.
Step-by-step explanation:
Speed in m/sec.=48*5/18
=8*5/3
=40/3 m/sec.
Therefore,
T=D/S
=80/40/3
=2*3
=6 sec.
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