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Give an explanation of why an LCD-based computer monitor's screen has a flat curve.
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- ▼ Part A What is the magnitude of the electric field? E = Submit Request Answer Part B What is the direction of the electric field? 0 = 17 ΑΣΦ Part C Submit Request Answer ΠΑΠ ΑΣΦ d = Submit VO ΑΣΦ What is the shortest distance one can move to undergo a change in potential of 5.50 V ? Request Answer ? = ? V/m ? ° from the +x axis mmWhy are optical fibers important for communication? a. They can carry thousands of times the information that wires can. b. Light goes faster than electricity. c. They carry digital information. Wires can’t carry digital information. d. all of the aboveA fireworks show is choreographed to have two shells cross paths at a height of 162 feet and explode at an apex of 208 feet under normal weather conditions. The shells have a launch angle = 58° above the horizontal. If a strong wind induces a constant rightward acceleration of 16 ft/sec² for the fireworks shells, determine the horizontal shift Ax of the crossing point of the shells. 46' 162' VO A/0 0 B
- The speed of light in vacuum is defined to be c = 299,792,458 m/s = The permeability constant of vacuum is defined to be μ = 4 x 10-7 N. s²/C². Use these μ0²0 definitions to calculate the value of the permittivity of free space, to at least eight significant figures. (Enter your answer in c²/(N - m²).) HINT c²/(N - m²)Şekilde gösterilen devrede R1=R2=R ve ɛ2 = olarak verilmiştir. İkinci batarya ɛ, devreye güç mü verir yoksa güç mü çeker. R, direncinde harcanan güç 40-watt iken E2 bataryasının devreden aldığı veya devreye verdiği güç nedir? Bataryalar idealdir. R2=R R ww www R R,=R - E2 R 12 W çeker O 1 w çeker 4 J/s çeker 4 J/s verir 12 W verir 120 J/s çeker 8 W çeker 48 J/s çeker 8 W verir Hiçbiri 120 J/s verir 1 W verir 48 J/s verir5. Light can be described as an electromagnetic wave. The optical lenses also can be modeled as dielectric lenses which can be used to collimate electromagnetic fields. The following figure shows the circular surface in the left and planar surface in the right of the lens. Let E1(r, ø, z) = {10, -6, 0}, what must be the dielectric constant of the lens in order that E3(r, ø, z) in region 3 is parallel to the x-axis? y. To 45° 3
- Morse code uses dots and dashes to represent symbols(letters, numbers, etc.). For example, C is -.-.and Q is --.-. How many symbols could we represent using at least one but no more than10 dots and/or dashes?Distances in space are often quoted in units of light years, the distance light travels in one year. The most distant galaxy yet discovered is 12.0 × 109 light years away. How far is this in meters?9. When a plane mirror at which a ray is incident is rotated th and angle D, the reflected ray will be rotated though; A. 0. B. D. C. 2 0. D. 3 0. 10. 2uf 4uf 2uf The net capacitance in the circuit shown above is B. 6.0 µF. A. 8.0 µF. C. 4.0 µF. D. 2.0 µF. 1. 1,6V 2-A Euso
- 8-6. Locate the centroid of the channel cross section shown in Figure P8-6. y 12 mm 12 mm- 220 mm 12 mm 75 mm XSolar cells generally have an antireflection coating. Explain how this increases their efficiency.A heater is being designed that uses a coil of nichrome wire (ρ = 100x10-8 Ω·m) to generate 100 W using a voltage of V=220V. The wire is 2000 m long. What cross sectional area should the wire have? None of the above 1.7e-2 m2 7.23e-4 m2 4.13e-6 m2 2.06e-3 m2 What is the magnification of a converging lens with a focal length of 7.5 cm when an object is held 5 cm from it? 3.00 2.14 1.36 5.00 None of the above A proton is moving 5m/s upwards and is 2cm to the right of a wire which is carrying 3 A of current downwards. What is the direction of the force experienced by the proton? Out of the page None of the above To the right To the left Into the page A 5 kg object has a net charge of -78 mC and is in an external electric field. What is the direction and magnitude of the electric field required to cancel the force due to gravity (gravitational field points down)? 628.20 N/C downwards 64.10 upwards 64.10 downwards None of the above…