Thursday
August 28, 2014

Posts by Hanu2012


Total # Posts: 4

Physics
Brain buster: A laser sends red light of wavelength 650 nm from air into water in a swimming pool. The index of refraction of the water is 1.33. (a) What wavelength will the light have in the water? (b) What colour would light of this wavelength appear if it were in air? (c) ...
December 8, 2012

Physics
In a vacuum, which colour of light travels fastest  red, blue, or green? Explain. Which colour travels fastest in a block of glass?
December 8, 2012

Precalculus
An 18 m tall tree is broken during a severe storm. The distance from the base of the trunk to the point where the tip touches the ground is 12 m. At what height did the tree break?
October 14, 2012

Precalculus
A fiel is in the shape of a right triangle. The fence around the perimeter of the field measures 40 m. If the length of the hypotenuse is 17 m, what will be the length of other two sides.
October 14, 2012

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