A star with an initial radius of 1.0 x 10^8 m and a period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m, what is the period of rotation after the collapse.

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.