Question

70.
A body is allowed to slide down on a smooth inclined plane. For a given base length, the time
taken by the body to reach the bottom among the given angles will be minimum, if the angle of
the inclined plane is
1) 30°
2) 45°
3) 60°
4) 75°​

Answer 1

Answer:

4) 75°

Explanation:

is my answer correct