A block moves down a smooth inclined plane of inclination ¤. Its velocity on reaching the bottom is v. If it slides down a rough inclined plane of same inclination its velocity on reaching the bottom is v/n where n is a no. greater than 0. The coefficient of friction(mew) is given by.
A) mew= tan¤(1-1/n^2)
B) mew= cot¤(1-1/n^2)
C) mew= tan¤ root 1-1/n^2
D) mew= cot¤ root 1-1/n^2
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