A dentist uses a concave mirror focal length 4 cm to
A dentist uses a concave mirror (focal length 4 cm) to examine some teeth. If the distance from the object to the mirror is 0.81 cm, what is the magnification of the tooth?
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a stroboscope is a light that flashes on and off at a fix rate it can be used to illuminate a rotating object and if
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a gold prospector finds a solid rock that is composed solely of gold and quartz the volume and mass of the rock are
a dentist uses a concave mirror focal length 4 cm to examine some teeth if the distance from the object to the mirror
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