A high-speed train passes through a 5.4 km long tunnel completely in 1 minute 7.68 seconds.

1 answer:

xenn [34]3 years ago

3 0

Answer:

Step-by-step explanation:

Speed time= distance

Change in/h into m/s by multiplyingby 5/18

=300×5/18=83.33

Time in sec=(1×60)+7.68=67.68

83.33×67.68=5640m

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