Im studying this laboratory example and I can not figure out where the 30mA came from? An explanation would be great~

Q: Unpolarized light with intensity 390 W/m² passes first through a polarizing filter with its axis…

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Q: Each atom in aluminum contributes about 3.5 conduction electrons. Part A What is the drift speed in…

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Q: ) What is the so called cosmic reionization process?

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Q: Suppose that again o = = 2 × 10-6 C/m², b = 0.01 m, and c = 0.04 m. Find the magnitude of Ēwasher at…

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Q: Problem 1: For each picture shown, draw a free body diagram for the object, calculate the net force…

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Q: The golf ball had a mass of 50 g and he transferred 56 J of energy to it. ) State the equation…

A: (c)  (i) The relation between the kinetic energy and the mass is  K =12mv2 where, v is the speed .…

Q: Four electrically charged spheres are located on the corners of a square whose sides measures 2.8…

A: The electrostatic force between the two charges is given by  F = k q q'r2 where, r is the distance…

Q: boou 2.5 A cylinder of cross-sectional area A is divided into two chambers 1 and 2, by means of a…

A: Concept: The Helium gas inside the cylinder tends to move from High pressure 2P0 to low pressure P0.…

Q: Current Attempt in Progress Your answer is partially correct. A spherical surface completely…

A: Given,, A spherical surface completely surrounds a collection of charge. a) qa = +4.10×10-6 C  b) qb…

Q: All types of Zeeman effects. Briefly explain?

A: Zeeman effect is a phenomenon of the splitting of the spectral line into its several component lines…

Q: You're writing the instruction manual for a stereo amplifier with a maximum output of 100 W. The…

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Q: • Part A A battery's voltage is measured using a voltmeter with resistance 10.00 k2; the result is…

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Q: A7.10-m-long iron wire is 1.50 mm in diameter and carries a uniform current density of 4.67 MA/m².…

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Q: In class we showed an animated map of the Milky Way HI data as seen in individual velocity slices of…

A: It is known that the 21cm hydrogen line corresponds to a specific frequency of approximately 1420.4…

Q: A double slit interference pattern is observed on a screen with the intensity graph. PointsA BC, D,…

A: In the first figure, we have to calculate the path difference at K that is the 3rd dark fringe…

Q: (d) Assume that the magnitude of the tension in the rope is fixed but that the angle may be varied.…

A: Given information: A box of mass “m” is pulled by a rope inclined at an angle theta w.r.t…

Q: A student in PHYS 115 at NYIT wants to estimate the age of the galaxy. She knows that the most…

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Q: Explain how parallax measurements can be used to determine distances to stars. Why can we not make…

A: Parallax method is used to determine the distance between two celestial bodies. Parallax is just…

Q: a) If you want to keep you cup of coffee as warm as possible when you drink it, should you add the…

A: a) Here, you should add the cold cream right after you pour the coffee. The reason is the…

Q: R2 = 52 V = 16 V R1 = 32 hich statement is true? A If R1 were disconnected, R2 would also go out.…

A: Given data:  Two resistors are connected in parallel R1 = 3Ω and R2 = 5Ω Battery voltage (V) = 16 V

Q: 1. Two-point charges Q1 = 4.5 µC and Q2 8.5 µC are initially very far apart. They are then brought…

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Q: Experiment 6: Transportation a) A typical car gets about 25 miles to the gallon in combined city and…

A: Since more than three subparts are asked in the question, a solution for the first one is provided…

Q: What do you mean by combination band and Fermi resonance?

A: An absorption whose frequency is extremely close to the sum or difference of two or more fundamental…

Q: Problem 3: Two blocks are stacked on top of each other The bottom block (block A) has a mass of 20kg…

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Q: Use the Widmark Equation, , to solve this question. Recall that r = 0.68 for men and r = 0.55 for…

A: The Widmark equation is given as,

Q: Describe, The Millikan's oil drop experment, ?

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Q: An object of mass m is set into SHM. It has an amplitude of 4.0 m and a period of 8.0 s. What is the…

A: GivenPeriod of mass is T=8sAmplitute of mass is A=4m

Q: I got this problem wrong as well, I don't know what I keep getting the wrong answer. Can you help me…

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Q: a) How much ice in grams (at 0 degrees C) will it take to cool a 12-ounce glass of water at 20 C…

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Q: ε = 9 R3 0.334 (a) Determine the total resistance of the circuit if R₁ = 190 N, R₂ = 90 M2, R3 =…

A: Answer the following question is

Q: Two trains are 9.82km apart. They travel in opposite directions, to each other. Train A has a speed…

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Q: Can you answer all of them from this rpoblem?

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Q: A humpback whale weighs about 5.4 x 105 N. Determine the buoyant force required to support the whale…

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.