A body of mass `5xx10^(-3)` kg is launched upon a rough inclined plane making an angle of `30^(@)` with the horizontal. Obtain the coefficient of friction between the body and the plane if the time of ascent is half of the time of descent.

A body of mass ‘m’ is launched up on a rough inclined plane making an angle of 30^(@) with the horizontal. The coefficient of friction between the body and plane is (sqrt(x))/(5) if the time of ascent is half of the time of descent. The value of x is ___________.

A body of mass 2 kg rests on a rough inclined plane making an angle of 30^(@) with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is :

A block of mass 3 kg rests on a rough inclined plane making an angle of 30^(@) . With the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A body of mass m slides down an inclined plane making an angle of 45^(@) with the horizontal. If the coefficient of friction between the body and the plane be 0.3, the acceleration of the body is approximately equal to :

A body of mass m is launched up on a rough inclined plane making an angle 45^(@) with horizontal If the time of descent between plane and body is