Where are LEDs most commonly used? LEDs are increasingly common in street lights, parking garage lighting, walkway and other outdoor area lighting, refrigerated case lighting, modular lighting, and task lighting. What are the disadvantages of LED? What are the disadvantages of LEDs? High up-front costs. Transformer compatibility. Potential color shift over lamp life. Performance standardization […]
How could the rescue workers use squeezing?
How could the rescue workers use squeezing? Explanation: The generator underneath the tiles will convert the squeezing energy into electrical energy that will power the flashlight. What type of potential energy is a boulder resting at the top of a hill? abundant potential What are the energy transfers when walking up a flight of stairs? […]
Why is speed is called a scalar quantity?
Why is speed is called a scalar quantity? A scalar quantity has magnitude or size, examples: distance, speed. Vector quantities have both magnitude and direction, examples: force, velocity and field strength. Speed here does not have any specific direction and have only magnitude so is a scalar quantity. Is angular momentum scalar or vector? Angular […]
What is low need for affiliation?
What is low need for affiliation? A low need of affiliation can be part of a more independent personality. People who do not feel a strong desire to affiliate with others may be viewed as loners, and could have difficulty finding support. The need for affiliation might cause people to seek new groups when they […]
How do you calculate meters per second?
How do you calculate meters per second? The velocity in meters per second is equal to the distance in meters divided by time in seconds. How do I calculate my work hours? How to manually calculate employee hours Convert all times to 24 hour clock (military time): Convert 8:45 am to 08:45 hours. Next, Subtract […]
How does nuclear energy affect the environment?
How does nuclear energy affect the environment? Nuclear power plants use uranium as fuel. The process of mining uranium releases high amounts of carbon dioxide into the environment. Carbon dioxide is also released into the environment when new nuclear power plants are built. Finally, the transport of radioactive waste also causes carbon dioxide emissions. Which […]
Why do we replace orbits with orbitals?
Why do we replace orbits with orbitals? Heisenberg’s uncertainty principle replaced the concept of orbit by orbital because both position and momentum can be calculated in the orbit of electron, which is impossible. The new changed model of atom was called wave mechanical model of atom. What do orbits and orbitals have in common? Answer: […]
Which type of tape is more accurate?
Which type of tape is more accurate? Class 1 tapes How many types of measuring tapes are there? four What are the two main types of measuring tapes? Types. There are two basic types of tape measures with cases, spring return pocket tape measures and long tape measures. Spring return pocket tape measures will generally […]
Why are producers the first organism in a food chain?
Why are producers the first organism in a food chain? Producers and consumers A food chain always starts with a producer , an organism that makes food. This is usually a green plant, because plants can make their own food by photosynthesis . The arrows in food chains show the way in which energy is […]