A small insect viewed through a convex lens is 15 cm from
A small insect viewed through a convex lens is 1.5 cm from the lens and appears three times its actual size. What is the focal length of the lens?
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a 30 kg box rests at the top of 30 degree incline before it is released the top of the incline is 50 m above the floora
assume blue light lambda 500 nm is used to decide the position of an electron to within the wavelength of the light
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after landing on an unfamiliar planet a space explorer constructs a simple pendulum of length 520 cm the explorer finds
a small insect viewed through a convex lens is 15 cm from the lens and appears three times its actual size what is the
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a magnetic field is directed perpendicular to the plane of a 015-m times 030-m rectangular coil consisting of 240 loops
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the main of a transformer has 100 turns and its secondary has200 turns if the power input to the primary is 100w we can
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