A person walks directly away from a sufficiently wide stationary vertical plane mirror at speed u. Which statements are correct?

Select all that apply

• Option A

  The minimum mirror length for full-body viewing remains H/2.

• Option B

  The image moves away from the mirror with speed u.

• Option C

  The object-image separation increases at 2u.

• Option D

  A taller mirror is required solely because the person is farther away.