Question

Dave Kunst is the first person verified to have completely circled the entire earth on foot which is 23,255
km, in 4 years. Let us assume he travelled in a perfect circle around the earth. Now he digs a tunnel
through the centre of the earth penetrating it to other side of earth. How much time approximately will it
take for him to go to the other side on foot?​

Answer 1

hope it helps

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Answer 2

Answer:

the correct answer is 1.27 years.