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who wants to solve a math problem!
?Slove using Trig.
A spotlight on a 3.0m stand shines on the surface of a swimming pool. The beam of light hits the water at a point 7.0m away from the base of the stand. Determine the angle the beam makes with the pool surface
Good Luck!
Yep, just as everyone mentioned. Here's a pic
[Light] - 3m up
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|---------------------------Pool
{---- 7 meters --------}
Which creates a right-angle triangle if the light goes to the Pool (draw line from light to pool).
Looking from the angle at the pool
- Opposite side of the angle is 3m
- Adjacent side of the angle is 7m
You should know Tan (angle) = Opposite/Adjacent, therfore
Tan (?angle) = 3m/7m
so ATAN (3m/7m) = 23.19 degrees
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Cobra Spotlight Pendant in Brushed Steel
Sale Price: $122.40  |
Description52205-BS Features: -Three light spotlight pendant. -Cobra collection. -Brushed steel finish. -Supplied with slope adapter and 6''+ 6''+ 22'' rods. Specifications: -120 Volts. -Accommodates (3) 50W MR16 halogen GU-10 base bulb... |
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Heavy Duty Outdoor Programmable Timer
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DescriptionThis Programmable Timer is an excellent choice for regulating your exterior lights, holiday lights, fountain pumps and other electronics into an automated on/off cycle. You have the option to set up to 20 programs from 1 to 7 days a week... Features
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New Ocean LED 2010 Flush Mount Underwater Light Super White Tritonium Optical Lenses Quick connect List Price: Sale Price: $1,554.99 |
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Understanding How Interior Design Companies Work: Lighting for Mood Part II â Fine-Tuning
Understanding How Interior Design Companies Work: Lighting for Mood Part II – Fine-Tuning
Interior design companies understand the term “mood†to mean a barely-definable, abstract quality that makes us feel “in tune†with our surroundings. In London, lighting is often a critical part of an interior design company’s toolbox in creating the perfect mood. In this series which I call “Lighting for Mood,†I will draw on my experience working with some of London’s Top Interior Design Companies to describe current best practices in this exciting area of design.
Mood and atmosphere are the ‘special effects’ of any lighting scheme, but the subtle levels required can only be determined at the fine-tuning stage. Once the various layers of lighting have been selected, interior design companies focus on creating a balance that can produce visual harmony. This is especially important in London, where outdoor gloom can often make indoor spaces appear flat or dull. The approach used by interior design companies is similar to that involved with layering textures and fabrics when decorating. Uplighting may need to be combined with down-lighting, or table light with spotlight, in just the right proportions. Some interior design companies will employ specialist lighting consultants to advise and guide the process.
The requirements will vary from room to room. For a living room, London interior design companies often recommend table lamps for general lighting and to ensure that guests are seen in a soft and flattering light. These can be combined with low-voltage feature lights to illuminate artwork or favourite antiques. In a kitchen, interior design companies realise that lamps are not practical for general lighting. In newer London residences, hygiene and cleanliness are key selling points, and kitchens require non-porous washable surfaces. As a result, interior design companies will generally prefer to select down-lighters, wall-washing the front of the kitchen units, or up-lighters, which provide a soft indirect light. These light sources can be combined with under-cabinet lighting for task light and – particularly popular in London today - perhaps a pin-spot over a kitchen island for added focus.
Interior design companies will often be asked to redesign bathrooms and bedrooms, since these rooms will often confer the most added value in London’s competitive property markets. Bathrooms require flexible lighting that is energizing in the morning and calming at night, with task lights for reading or around a mirror. In a bedroom, where there is less need for overall illumination, interior design companies love to make the bed itself the focus. One technique is to make the bed appear to float on a pool of light by installing rope-lights which can be subtly concealed under the bed platform.
In the next article in this series on “Understanding How Interior Design Companies Work: Lighting for Mood,†I will reveal the secrets of dimmable lighting.
About the Author
Global Interior Design Consultancy Company in London, UK for interior design services.
