A block is sliding on a rough horizontal surface. If the contact force on the block is sqrt(2) times the frictional force, the coefficient of friction is

A block is sliding on a rough horizontal surface. If the contact force

1.	A block is sliding on a rough horizontal surface. If the contact force on the block is sqrt(2) times the frictional force, the coefficient of friction is
Answer» `0.25` `(1)/(SQRT(2))` `sqrt(2)` 1 Answer :D