A certain capacitor is charged to a potential difference V. If you wish to increase its stored energy by 77%, by what percentage should you increase V

With these questions , 15 pts & brainliest

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?