Calculate Minimum Time of Sliding for Block on Wedge with Given Parameters

[mail_abhijit2006]

I RECENTLY GOT STUCK SOLVING THIS PROBLEM WHERE I WASN'T ABLE TO DIFFRENTIATE PROPERLY.THE PROBLEM GOES HERE BY.

Q. A BLOCK OF MASS m IS KEPT ON THE TOP OF THE WEDGE HAVING AN ANGLE OF INCLINATION a .THE FRICTION COEFFECIENT OF FRICTION BETWEEN THE BLOCK AND THE HYPOTENUSE OF THE WEDGE IS 'k'.THE LENGTH OF THE BASE OF THE ROD IS b . FOR WHAT VALUE OF ANGLE a WILL THE TIME OF SLIDING BE LEAST?

 

[Doc Al]

Show what you've done and we can take a look.

 

[mail_abhijit2006]

question is infront of u and pls solve it,

 

[Doc Al]

Nice try! But I want you to solve it.

Where did you get stuck?