Question

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Answer 1

Answer:

a) = 25sec.

b) 200/3 second

Step-by-step explanation:

Time = Distance/speed

a) Let the time taken to cross a pole be x.

Speed = 54km/h = 15m/sec.

Time taken = 375/15 = 25sec.

b) x = ( 375 + 625 )/15 = 1000/15 = 200/3 second