lights‚ road signs‚ and to look after the pedestrians and other obstacles. RADAR (Radio Detection And Ranging) is used to determine the speed‚ direction‚ range‚ altitude of the object and allow the system to adjust the speed of the car. Radar uses electromagnetic waves. Here in driverless cars we use Doppler radar to determine the velocity and direction. Ultrasonic sensors are mounted on the wheels. These can detects the curbs and other vehicles by producing the ultrasonic waves while parking. Ultrasonic
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closer to the television and helplessly falls on her knees. There it was‚ Her avantgarde life‚ Her fifteen minutes. “...a follow up from our top story this morning‚ Sonia Bose embroiled in yet another scandal...how much longer can India’s fashion darling last? The once great show stopper is now more often seen in men’s corridors or bars than on cat walks. It now seems only a matter of time until she falls out of the fashion
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Connect with us How to print from a Chromebook CNET › Computers › How to print from a Chromebook It’s true‚ you can print from Chrome OS using Google’s Cloud Print solution. by Jason Cipriani 14 / @MrCippy / August 19‚ 2014 11:50 AM PDT 3 / 95 / 0 / / more + Jason Cipriani/CNET There’s no shortage of myths and misconceptions regarding Google’s Chrome OS. Most commonly found on a slew of Chromebooks‚ Chrome OS is more than a glorified browser. Under the hood‚ it offers file management‚
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developed when this force is applied at a given distance from the axis of the rotor. Most electromagnetic motors are rotary‚ but linear types also exist. In a rotary motor‚ the rotating part (usually on the inside) is called the rotor‚ and the stationary part is called the stator. The motor contains electromagnets that are wound on a frame. Though this frame is often called the armature. The electromagnetic field works as shown in the diagrams below. DC motors. A simple DC electric motor. When
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diffraction and interference are observed‚ waves are involved. Waves do not have mass or charge. Photons All electromagnetic radiation consists of photons. A photon is a packet of energy‚ or a quantum of electromagnetic energy. Gamma-photons are the most energetic out of all the types of photons. The energy of a photon is directly proportional to the frequency of the electromagnetic radiation of which it is a part of‚ so high frequency radiation means high energy
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waves—ripples in space—instead of bullets. This explains how rainbows work. In fact‚ light is both. This "wave-particle duality" is one of the most confusing—and wonderful—principles of physics. Light is radiant energy‚ usually referring to electromagnetic radiation that is visible to the human eye‚ and is responsible for the sense of sight.[1] Visible light is usually defined as having a wavelength in the range of 400 nanometres (nm)‚ or 400×10−9 m‚ to 700 nanometres – between the infrared‚ with
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Uttarakhand Floods: A Disaster of Our Own Making? Even after two weeks of rescue operations uncertainty prevails over the number of casualties and people still stuck in what is described as the worst natural disaster that has ever struck the northern Indian state of Uttarakhand. The Chief Minister of the mountainous state‚ Vijay Bahuguna‚ says that the exact number of deaths in the calamity will never be known as estimates of the actual casualties vary from hundreds to several thousands
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What is a light year‚ how is it used to measure distances in space‚ and why is this unit measurement necessary? What is an astronomical unit‚ how is it used to measure distances in space‚ and why is this unit measurement necessary? How fast can our fastest spacecraft travel? What are the limitations of manned space missions with respect to exploring the universe‚ the galaxy‚ the solar system‚ and other planets? What are the major components of the universe? How do scientists think
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Abstract Procurement plays an important role in the supply chain management and good procurement management can shorten the production cycle‚ improve the production efficiency‚ reduce inventory and strengthen the emergency ability to the market. Nowadays‚ procurement management has captured the attention of many high-level executives while it is always overlooked by many small-sized businesses. This research paper will show either similarities or differences or both with the purchase situations
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>>> spreads/ radiates in all directions from a single point * identify that mechanical waves require a medium for propagation while electromagnetic waves do not Mechanical waves require a medium (particles in order to propagate) while electromagnetic waves do not. Classification of Waves: -in terms of medium > mechanical (requires)‚ electromagnetic (doesn’t require) -in terms of particle oscillation > mechanical >>> transverse (perpendicular)‚ longitudinal (parallel) * define
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