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length x width x height
the formula depends on the shape of the object
Density of an object is defined as (mass)/(volume).
Exactly the same as for a non-floating object. Finding the volume of a shape does not vary, (i.e it's always something along the lines of height*width*depth, or area of base *height. "Table" or "surface" is irrelevant, since if it not a variable in the formula). This is true whether the object is floating or not.
Height x Weight x Height
length x width x height
The mirror formula is a relationship that connects the object distance (u), image distance (v), and focal length (f) of a spherical mirror: 1/f = 1/v + 1/u. Magnification in the case of a spherical mirror is given by the ratio of the height of the image to the height of the object: M = -v/u. The negative sign indicates that the image is inverted relative to the object.
The ratio of the height of an object to the height of its image is equal to the ratio of their distances from the lens or mirror. This relationship is defined by the magnification formula in optics, where M = -di/do (negative sign indicates inverted image). The ratio is dependent on the type of lens or mirror used and the placement of the object relative to the focal point.
To see the full length of an object using a plane mirror, the mirror should be at least half the height of the object. This allows the top half of the object to be reflected in the mirror, giving the illusion of seeing the full length of the object.
the formula depends on the shape of the object
it depends on height of object and distance of object from the mirror
It depends on the exact shape. For a square or rectangle, it would be length times width times height.
The least possible vertical length of a mirror would be equal to the height of a single atom. Mirror surfaces can be made at atomic scales, with heights on the order of nanometers (10^-9 meters) or even smaller.
In a concave mirror, when an object is placed between the focus and the center of curvature, the image formed is real, inverted, and enlarged. To derive the mirror formula, use the mirror formula: 1/f = 1/v + 1/u, where f is the focal length, v is the image distance, and u is the object distance. The magnification formula is: M = -v/u, where M is the magnification, v is the image distance, and u is the object distance.
Density of an object is defined as (mass)/(volume).
Exactly the same as for a non-floating object. Finding the volume of a shape does not vary, (i.e it's always something along the lines of height*width*depth, or area of base *height. "Table" or "surface" is irrelevant, since if it not a variable in the formula). This is true whether the object is floating or not.
The distance between the object and mirror is 15 mm. The distance between the image and mirror is 15 mm. Therefore, the distance between the image and object is 15 mm plus 15 mm which equals 30 mm.