What is the distance between the observer and the sailboat

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A sailboat on the ocean has a mast of height 18.5 m. When viewed through a pair of binoculars the mast has an angular size of 0.065 rad. If the eyepiece of the binoculars has a focal length of 1.15 cm and the objective lens has a focal length of 7.85 cm, what is the distance between the observer and the sailboat?

Reference no: EM13269978

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