7. What can be done to increase the effects of an electromagnet?

Q: Describe how objects can become electrically charged Use Coulomb's law to compute the force between…

A: (i) How objects can become electrically charged. (ii) Force between two charges using Coulomb's law.

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A: (4)

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Q: I his skateboard is 2 kg. Initially, everyt -all horizontally wit У wit

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Q: Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N · m² /C². Vacuum…

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Q: A small immersion heater is rated at 345W. The specific heat of water is 4186 J/kg?C?. Part A…

A: Given: In this question, the given details are, Here, a small immersion heater is rated at 345 W.…

Q: 10. Describe two ways to determine the total work done by one object on another object.

A: Work done is the transferring the energy to move a object .

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Q: 7. In a parallel circuit, each circuit element has the same 8. In a series circuit, the largest…

A: 7.In  all parallel devices ,the voltage is the same since we have wired them together with wires…

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Q: 14,200 kg railroad cart that is traveling at a speed of 24.0 m/s collides with a 11,500 kg cart that…

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Q: (numbers 11-12) Speakers C and D emit the same pure tone of wavelength 1.6 m, are exactly in phase,…

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Q: a. b. C. F(x)= F(x) = F(x) = f(x) = 2 + 5x²-x³ f(x) = 9x1/4-7x3/4 f(x) = -1/

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Q: In a beehive, each cell is a regular hexagonal prism, open at one end with a trihedral angle at the…

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Q: when leafs are placed in tense heat and pressure they becomes fossils by appearing on rocks as a…

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Q: Starting with Gauss's Law, derive an expression for the electric field a distance r from the axis of…

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Q: 4. Two tugs are pulling a large ocean liner out to sea on ropes. Tug A exerts a force of 51 kN at an…

A: Solution:-

Q: QUESTION 4 A parallel plate capacitor is half filled with water in vertical direction. Waters…

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Q: A cylindrical tank with a length L = 8 m and a diameter D = 8 m is on its side, and it is half full…

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Q: 15) If the frequency of a certain wave is 100 hertz, its period is Show work. A) 10 second. B) 100…

A: 15-: Given-: Frequency of certain wave, f = 100 Hz Time period T = ? We know that relation between…

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Q: 9. 1 km/hr to ft/s 10. 1 mi/hr to m/s

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Q: A wheel (radius = 0.30 m) is mounted on a frictionless, horizontal axis. A light cord wrapped around…

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Q: 1. Explain why during the summer months, static cling in clothes is generally not a problem. What is…

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Q: 7,8,9

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Q: Petermine the direction of the induced current for each case shown below. Draw the arrow along the…

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