You want to see how your new belt buckle matches your new hat. Your eyes are 116 mmbelow the top of the hat and 800 mm above the buckle. You walk up to your mirror and notice that the mirror is exactly large enough and exactly in the right position for you see both the top of the hat and the buckle.

What is the position of the top edge of the mirror relative to your eyes?

How tall is the mirror?

the answer is b ) square root of 5

it is the second option.

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards