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Raman was surprised to see a camel walki...

Raman was surprised to see a camel walking easily barefooted on sand but he himself was unable to walk barefoot on sand. What is the reason behind this?

A

The surface area of the foot of the camel is more

B

The surface area of the foot of of Raman is more

C

Both (a) and (b)

D

None of the above

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A man wants to reach from A to the opposite corner of square C ( shown in the figure) . The sides of the square are 100m.A central square of 50 mxx50m is filled with sand. Outside this square, he can walk at a speed 1 m/s. In the central square, he can walk only at a speed of v m/s (v>1). What is smallest value of v for which he can reach faster via a straight path through the sand than any path in the square outside the sand.

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