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Two straight lines that don't touch or intersect no matter how far they are extended
It will travel in a straight line as far as the x and z axises are concerned however in the Y axis the bodies path will be a inverted parabolic.
A pair of parallel lines never meet, however perpendicular lines meet at a 90 degree angle. Your question isn't all that clear tho.... meaning they are opposite because parallels never meet and perpendiculars do.Parallel lines are lines that never intersect, no matter how far they extend in either direction. Perpendicular lines intersect perfectly straight, at a 90 degree angle.
far
880 feet.
Infrared light is just light of a specific wavelength it can travel as far as any other wavelength of light.
Heat waves do not travel through the ozone layer. Some infrared radiation passes through it, but "far infrared" does not. Ozone is a greenhouse gas.
Two straight lines that don't touch or intersect no matter how far they are extended
There are more things for the light waves to bounce off of in water, so light can not travel in a straight line or as far.
i have no clue
As far as you like. For example it travels from the sun and gets through our atmosphere without much difficulty.
Like any other electromagnetic wave, there is no limit how far infrared can go.Like any other electromagnetic wave, there is no limit how far infrared can go.Like any other electromagnetic wave, there is no limit how far infrared can go.Like any other electromagnetic wave, there is no limit how far infrared can go.
Although they do have some visible light, heat lamps skew towards the infrared end of the spectrum. Heat lamps are designed to emit light in the Near Infrared (.7µm-1.3µm), Middle Infrared (1.3µm-6µm), Far Infrared (6µm-40µm), and Far-Far Infrared (40µm-1000µm)
Far infrared therapy is a relatively new development in health care products. Far infrared therapy is used in cancer treatment as well as in hyperthermic therapies for detoxification.
200 yards straight, 2 miles at an angle.
I found www.shopofdeal.com who has some far infrared items including gloves and blankets for sale.
Light travels in straight lines. However, 'straight' ain't what it used to be. Our current understanding of the universe suggests that mass causes a localized distortion in space time, effectively curving space around itself. As a beam of light approaches a massive object, it can be affected in this way as it passes through the curved space. From outsie, it appears to travel in a curved path, but as far as the light is concerned, it's moving in a straight line -- it's just that the straight line exists in a curved reality, if you follow me.