PLEASE HELP
2 answers:
You might be interested in
For a concave mirror, the radius of curvature is twice the focal length of the mirror:
where f, for a concave mirror, is taken to be positive.
Re-arranging the formula we get:
and since the radius of curvature of the mirror in the problem is 24 cm, the focal length is
where f, for a concave mirror, is taken to be positive.
Re-arranging the formula we get:
and since the radius of curvature of the mirror in the problem is 24 cm, the focal length is
The angular momentum of the person is given by:
where
is the mass of the person, 
is the tangential velocity, and 
is the distance of the person from the center of rotation. Using these data, we find
where