In 2013‚ the US congress passed an act: the Consolidated and Further Continuing Appropriations Act. This act contains bans or strictly supervises the purchase of telecommunication equipment from Chinese companies Huawei and ZTE. It is strictly stated in section 516 that the money brought forward from this act is not allowed to buy equipment or systems that have been “produced‚ manufactured or assembled” by companies “owned‚ operated or subsidized” by the Chinese. This may seem reasonable; the
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Electric string instruments use electrical signals and amplifiers to increase an instrument’s volume and modify its sound. Composers from all genres of music have used electric instruments in their compositions. While electric instruments more commonly appear in rock and popular music the classical composer George Crumb wrote a composition for electric strings entitled “Black Angels.” Electric string instruments are not the same as semi-acoustic instruments that use a mixture of sound boxes and electric
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Are electric cars better for the environment than gasoline ones? Nowadays‚ people all over the world do their best to live greener and not contribute to global warming. An invention that is meant to help reduce the amount of toxic waste that is polluting the environment nowadays is that of the electric car. But is electric really so much better than gas? Electric cars are emission free‚ compact and lightweight‚ and three times as efficient as gas engines.
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The electric car is a vehicle that uses electric power and there are many applications to design and one of these applications is replacing the original engine of the car and put an electric motor position is the easiest way to switch from oil to electricity while maintaining the other components of the car and is provided with the power required by batteries storage power. The design of the electric car is based on an electric motor‚ an electric control system‚ and a powerful battery can be recharged
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contrasting a longboard and a electric longboard. The electric longboard would go faster if you were just cruising or trying to get to work or class. But if the electric one was about dead. The regular longboard would go faster. Let’s say that we were going down hill with the boards. The regular board can reach up to about 80 miles per hour. And the electric board might just break and you won’t be able to use it. People say that they would rather have a electric longboard instead of a regular
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Compare and Contrast Media Essay: “The Sing the Body Electric” Ray Bradbury’s “I Sing the Body Electric” is a science fiction story about a family who‚ after the death of the mother‚ replaces her with a robot. In Rod Serling’s Twilight Zone episode‚ “I Sing the Body Electric‚” Anne must learn to understand and accept that her new grandmother can be tender‚ loving‚ thoughtful‚ and caring. The Grandmother’s ability to love changes the tone of the story‚ which in turn‚ changes the reader’s level of
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description of Electric Iron introduction: An electric iron is a small appliance‚a handheld piece of equipment with a flat‚ roughly triangular metal surface that‚ when heated‚ is used to press clothes to remove creases. Ironing works by loosening the ties between the long chains of molecules that exist in polymer fiber materials. With the heat and the weight of the ironing plate‚ the fibers are stretched and the fabric maintains its new shape when cool. description: The electric iron must have
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Ch.9.1 – Types of Electric Charge * Static electricity : static cling of clothes out of dryer; lightning; * Walk across carpet and touch get a shock touching metal doorknob – friction of shoes against carpet cause you acquire static electric charge * Static charge – electric charge at rest‚ stays on and eventually discharged or lost to other objects/air * Discharge – remove excess static charge so the object is neutral * Static charge last long when air is dry * Electrostatics
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The test charge at first was attracted but then repelled. 3. After observing the electric field in your trials above‚ where was the electric field the strongest? What was the direction of the electric field? ● Positive charge Upwards 4. Did you notice a green arrow appear as the test charge started to accelerate‚ this arrow represented the electric force! If not‚ take another “shot” at the game above and come back to this question. When was the electric force the greatest? ● Electric force was the greatest when the positive/negative was close to the test charge
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An electric car is powered by an electric motor instead of a gasoline engine. The electric motor gets energy from a controller‚ which regulates the amount of power transmitted throughout the vehicle‚ based on the driver’s use of an accelerator pedal. The electric motors give electric cars instant torque‚ creating a strong and smooth acceleration pattern. Electric cars are about three times more efficient than cars with an internal combustion engine. A pure-battery electric car uses energy stored
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