[" A) "7.5cm" th moving to tards a concave mirror "],[" of focallength "24cm" .When it is at a distance "],[" of focallength "24cm" .When its speed is "9cm/s" ,"],[" of "60cm" from the mirror its speed is "9cm/s" ,"],[" I the speed of its image at that instant is "],[" I "4cm/s" towards the mirror "],[" 3) "4cm/s" towards the miror "],[" 3) "4cm/s" away from the mirror "],[" 4) "9cm/s" away from the mirror "],[" The distance between "]