Mere koi phlends on h

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Are formed where bumps from two surfaces come into contact ?