Two oppositely charged metal spheres are brought toward each other. Which graph best represents the relationship between the magnitude of the electrostatic force one sphere exerts on the other sphere and the distance between their centers?

Q: 13. A mass of 1 kg is acted upon by a single foree F = (4i + 4ĵ)N. Under this force it is displaced ...

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Q: Consider a spherical object made of unknown material that carries an excess positive charge +Q. Elec...

A: This question is based on the Electrostatics topic. The electrostatic potential is the work done per...

Q: 13. A mass of 1 kg is acted upon by a single foree, F = (4i + 4j)N. Under this force it is displaced...

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Q: A positive charge is moved across the potential difference AV < 0. The electric potential energy of ...

A: a positive charge is moved across the potential difference ∆V &lt; 0 .

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Q: (1a). Black body has emissivity value of 1, but in reality, the emissivity of real objects is less t...

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Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 22.9 Q. When they are c...

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Q: Two objects A and B flies towards each other. When the distance between them is and acceleration are...

A: GivenDistance between Object A and B=1.2 km=1200 mvA=40 m/svB=15 m/saA=-0.5 m/s2aB=1.36 m/s2

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A: 5. A thin semicircular rod  is broken into two halves.

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Q: A sonar echo returns to a submarine 1.20 s after being emitted. (a) What is the distance, in m, to t...

A: time taken by the echo to return (T) = 1.20 seconds Let the distance of the object = d speed of soun...

Q: How much force is required to be exerted on a block weighing 200lb to reach a = 10ft/s2 towards the ...

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Q: A point charge with charge Q1=5.4 muC is held stationary at the origin. A second point charge with c...

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Q: What is the resistance of a silver wire 15 m long at 20°C silver at 20°C is 1.60 x 10 S2-m. How much...

A: 1.AnswerGivenlength of wire, L=15 mdiameter of wire, d=0.00085 mResistivity of silver, ρ=1.6×10-8 oh...

Q: *12–12. Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/h² along a straight...

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Q: Compute for the x-component of 39.9394-unit vector directed 296.5761 degrees with respect to the pos...

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Q: A 65 kg mountain climber climbs through a vertical rope at a constant acceleration from rest to a sp...

A: Given,  Mass = 65 kg t = 10 s v = 1.25 m/s u = 0 a = (v-u)/t = 1.25/10 = 0.125 m/s2   

Q: For most optic instruments, bigger diameter is better since the _____ is limited by the diameter. a...

A: Given;- For most optic instruments, a bigger diameter is better since the _____ is limited by the di...

Q: A sinusoidal voltage of frequency 60 Hz and peak value 150 V is applied to a series L-R circuit, whe...

A: A sinusoidal voltage source (dependent or independent) produces a voltage that varies as a sine wave...

Q: Direction: A. Complete the table below by filling the blanks with the correct value. Mass Number Ato...

A: The  problem is based on nuclear physics, To solve the given problem we will define atomic number an...

Q: A small car with mass 1200 kg moving forward at kg moving forward at (i) What is the post-collision ...

A: Given data:  Mass of car (m1) = 1200 kg Initial velocity of car (u1) = 16.0 m/s Mass of van (m2) = 1...

Q: he magnetic field in the figure is decreasing at the rate 0.4 T/sT/s . (Figure 1) What is the magni...

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Q: In an interference experiment the ratio of a1 amplitudes of coherent waves is a2 3 The ratio of maxi...

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Q: AC generator consists of a 20.0-cm by 10.0-cm rectangular conducting frame with 300 turns rotating i...

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Q: A baseball of mass m1 = 0.43 kg is thrown at another ball hanging from the ceiling by a length of st...

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Q: 4. Why is it necessary to know the coefficient of linear expansion of solids?

A: When a solid is heated, it expands in all directions. If the substance is in the form of rod, then t...

Q: A solenoid has a cross-sectional area of 4.9 x 10-4 m², consists of 490 turns per meter, and carries...

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Q: What is the wavelength of a 4 MeV energy Compton scattered photon?

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Q: Convert 444.076 °F to K, with 3 decimal places.

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Q: A house walls that are 23 cm thick and have an average thermal conductivity two times that of cork. ...

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Q: The battery terminal voltage in the figure below is E = 7.10 V and the current I reaches half its ma...

A: Current=8A Emf=7.10v

Q: 1.) What is the equivalent resistance of the following circuit? 5.0 N ww 2.5 N 10 Ω ww- ww- 10 Ω 15 ...

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Q: An object has a constant acceleration of a=3 m/s^2 without other forces intervening. A second layer ...

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Q: Substance X has a half-life of 10 years, if you start with 1000 grams, how much will be left after 1...

A: Given data:  Half life (t1/2)= 10 years Initial quantity (N0) = 1000 grams  Time (t)  = 100 years Re...

Q: A magnetic needle of magnetic moment 6.7 x 10-2 Am2 and moment of inertia 7.5 x 10 6 kg m² is perfor...

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Q: A hydroelectric power facility converts the gravitational potential energy of water behind a dam to ...

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Q: For the circuit shown, find the current through each resistor. 22 lov 32 wWw I, SV I2

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Q: Two bascball players Bert and Casey would like to practice pitching and catching. Bert throws the ba...

A: initial height = 1.76 m Launch angle = 30oInitial speed = 22 ms  

Q: Question 5 If the eletnent shown is equilibrium F- 573 N, F2 - 419 N, a 31°,B-54", a-0.15 m, b-0.34 ...

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Q: A solid sphere of mass M and radius R rolls without slipping down a rough incline that makes an angl...

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Q: At 26.4 Hz, there were two nodes on the line, plus those at each end. How did the pattern of nodes c...

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Q: A 0.420-kg object attached to a spring with a force constant of 8.00 N/m vibrates in simple harmonic...

A: As per the answering guidelines we will solve only first three parts. Please upload the other parts ...

Q: A flat circular coil with 40 loops of wire has a radius of 16 cm. What current must flow in its wire...

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Q: An ice floe has a rectangular shape with dimensions of 15 x 6 x 0.15 m^3. What is the maximum mass o...

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Q: Q/ Point charges of 500C, each are located at A(1, 0, 0), B(-1, 0, 0), C(0, 1, 0), and in free space...

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Q: 1. A vertical parabolic plate whose height is 2 meters is submerged in a certain liquid (s.g. determ...

A: Pressure is defined as force per unit area. P = F/A Presssure at height h = (specific gravity)×g×h

Q: Consider the electric field of magnitude 200 N/C pointing in the negative y-direction, as shown in t...

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Q: 41 - 42. What is the electric potential energy of a +3 C and -6 C when placed in 4 m distance? • 4.0...

A: We have two charges of magnitude q1=3 C and q2=-6 C which are separated by a distance r=4 m. Permitt...

Q: 2.4 Aparticle undergoes a simple harmonic motion, the acceleration of the particle at a distance of ...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.