MULTIPLE CHOICE
What is the frequency of light that has a Ivavelength of 3.0 x 10^-10 m?
A) 1 x 10 A 18 Hz
(в
1 x 10^-18 Hz
C) 3x10^8 HZ
D
) 2.5 x 10^18 Hz
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?