Question

109. A block is pushed up a rough inclined plane
of 45°. If the time of descent is twice the time
of ascent, the coefficient of friction is
1) 0.6 2) 0.4 3) 0.5 4) 0.25​

Answer 1

Answer:

The answer was 3rd but I m not sure u can check

Answer 2

Answer:

0.5

Explanation:

because block is pushed up