Question

please answer fast and step by step

A man of mass 80 kg is standing
on a wooden plank. The area of cross-section of his foot is
20 cm². An elephant of mass 540 kg is standing on the same wooden plank and area of
cross-section of his foot is 75 cm². Who exerts more pressure on the wooden plank?
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Answer 1

Answer:

14.3 m

Explanation:

and I don't know about this question

Answer 2

Answer:

11.2 m

13.8 m

14.3 m

15.4 m

Answer : C