Spherical mirror: you wish to create an image that is 10 meters from an object. this image is to be upright and half the height of the object. you wish to accomplish this using one spherical mirror. part a)what is the focal length f of the mirror that would accomplish this? express your answer in meters, as a fraction or to three significant figures. part b)is this a concave or convex mirror? part c)what is the magnitude r of the radius of curvature of this mirror? part d)what type of image is created, real or virtual?