"a )image position is "color(red)(O'(x,y))
OO'=1
O'_x=1*sin 30^o=1*0.5=0.5
O'_y=-1*cos 30^o=-1*0.87=-0.87
O'(0.5,-0.87)
b)" velocity of image "
"the velocity of image and object are symmetric with respect to" "the mirror."
u=1 m/s" , "v=1m/s "(directions are different)"