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Q: A 1.0-C point charge is 15 m from a second point charge, and the electric force on one of them due t...

A: Given The first charge is given as q1=1.0 C Magnitude of force between the charges is F=1.0 N Distan...

Q: Order the circuits according to their power usage, from highest to lowest. All batteries are the sam...

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Q: To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1800 Hz. A friend on the...

A: Given: The frequency of the steady tone emitted by the buzzer (source), fs = 1800 Hz. The frequency...

Q: At 20°C, the carbon resistor in an electric circuit connected to a 5.0-V battery has a resistance of...

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Q: The graph shows the displacement at a point r = 2 cm for a transverse wave traveling to the right at...

A: Given: D(x=2,t=0)=0 D(x=2,t=1)=0 D(x=2,t=2)=0 D(x=2,t=3)=1 D(x=2,t=4)=2 D(x=2,t=4)=0 D(x=2,t=5)=0 D(...

Q: A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters a...

A: mass = 441 g Electric field strength = 5 NCacceleration (a) = 13ms2 in horizontal direction   

Q: From the figure below, which surface has zero electric flux

A: From gauss law , electric flux through a surface is charge enclosedε0 . For surface a , charge enclo...

Q: A brick falls from a window ledge to the street 21.3m below. How fast is the brick going just as it ...

A: Given:- Height of the window edge from the street is h=21.3 m Required:- Speed of the brick as it hi...

Q: A student wrote software that controls a drone. In this software, East is positive & direction, Nort...

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Q: How many electrons make up 1.75 coulomb of charge? (Hint: q = ne.)

A: Charge = 1.75 Coulomb   

Q: Metal sphere A has a charge of +6.0 C. It is brought in contact with a neutral metal sphere B and th...

A: Given value--- charge on sphere A (Q1) = + 6 C. Charge on sphere B (Q2) = 0 C . same radius? We ha...

Q: 6 cm 4 cm What is the electric field inside the insulator at a distance of 4 cm? The permeability of...

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Q: Define a Dimension and a Unit. State TWO (2) examples of Dimension and Unit. ?

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Q: • Two long, parallel wires separated by 0.20 m car qual currents of 1.5 A in the same direction. Fin...

A: Let the two long, parallel wires separated by d =  0.20 m carry an equal current of I = 1.5 A in the...

Q: hin glass of refractive index nG = 1.50 onto a boundary with water of refactive index nW = 1.33. Cal...

A: We know that snell's law is given as  n1sinθ1= n2sinθ2 where n1 and n2 are the refractive indexes  θ...

Q: A piece of metal conductor is put in an electrostatic field, which of the following opinions are rig...

A: Given in question - A piece of the metal conductor is put in an electrostatic field. To find - Which...

Q: Spheres A, B, and C have charges +8 C, +12 C, and -5.0 C respectively. The three spheres are allowed...

A: Given Information:- Charge of A is qA=+8C Charge of B is qB=+12C Charge of C is qC=-5.0 C Required:-...

Q: A ball is thrown at an angle of 30 degrees relative to the horizontal direction. If its horizontal s...

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Q: A+5.0-µC point charge is placed at the 0 cm mark of a meter stick and a -4.0-uC charge is placed at ...

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Q: Each plate of a parallel-plate air-filled capacitor has an area of 0.0020 m2, and the separation of ...

A:   Electric field between plate =3.9×106 Area of plate=0.002m2  

Q: The current passing through an electronic load is known to be exactly 120 milli-amperes. When measur...

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Q: At t = 0, a wave traveling to the right at 2 m/s, shown below. What does the displacement at x = 6 l...

A: Assume that D(3)= 1 and D(4)= 2 in the graph.   Given D(x=0, t=0)=0 D(x=1, t=0)=0 D(x=2, t=0)=0 D(x=...

Q: The potential difference between the plates of a parallel-plate capacitor is kept constant by a 20.0...

A: Given data:  A parallel-plate capacitor  Battery voltage (V) = 20.0 V Area of plate (A) = 10 cm2 = 1...

Q: A parallel-plate capacitor has plates of area 0.40 m2 and plate separation of 0.20 mm. The capacitor...

A: Plate area is A = 0.4 m2  Plate separation is d = 0.2 mm = 2×10-4 m  εo = 8.85×10-12 C2/N.m2   

Q: An ideal air-filled parallel-plate capacitor has circular plates that carry equal but opposite charg...

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Q: The potential energy of an object is given by U(x)=8x2-x4, where U is in joules and x is in meters ...

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Q: Large parallel conduction plates, each with an area of 1.0 m2 , are separated by 5 cm. The plates ca...

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Q: As a coffee enthusiast, you wish to keep your coffee as hot as possible for as long as possible. You...

A: thickness of wall =1.34cm Thermal conductivity of mug is = 0.943 W/m-C emissivity= 0.73 Boltzmann's ...

Q: Two alpha particles (helium nuclei), each consisting of two protons and two neu trons, have an elect...

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Q: A Gaussian surface with rectangular size has a positive point charge +q at its center, as shown in t...

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Q: The ink drops have a mass mmm = 1.00×10−11 kg each and leave the nozzle and travel horizontally towa...

A: Given: Mass of ink drop=1.00×10−11 kg velocity (v)= 15.0 m/s Length of parallel deflecting plates (D...

Q: A+7.00 µC point charge and -9.00 µC point charge are placed along the x-axis at x = 0.000 cm and x 4...

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Q: An object is thrown vertically upward from a point 32 feet above the ground with an initial velocity...

A: Let us assume upward as positive direction and downward as negative direction. Given Initial velocit...

Q: A conducting sphere of radius R carries an excess positive charge and is very far from any other cha...

A: Given: Conducting sphere of radius R with excess positive charge. 

Q: If the electric potential at a point in space is zero, then the electric field at that point must al...

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Q: What is the ratio of the electric force to the gravitational force between a proton and an electron ...

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Q: 2. A ball is kicked straight up from ground level at a velocity of 13 m/s. Find: e. the maximum heig...

A: Initial velocity = 13m/s

Q: a positive surface charge density is present in a certain region on the surface of a solid conductor...

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Q: A 3.0-cm tall light bulb is placed a distance of 7.9 cm from a concave mirror having a focal length ...

A: Given: Focal length of concave mirror f = 16 cm The height of the light bulb h1 = 3.0 cm. Distance b...

Q: Four electrons are located at the corners of a square 10.0 nmnm on a side, with an alpha particle at...

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Q: erm 1 (UG .. The figure below shows nine point charges that lie in the same plane. Four Gaussian sur...

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Q: Careful measurement of the electric field at the surface of a black box indicates that the net elect...

A: εo = 8.854×10-12 C2/N.m2  Magnitude of Flux is Φo = 9×103 N-m2/C   

Q: A Gaussian surface with rectangular size has a positive point charge +q at its center, as shown in t...

A: From Gauss law Electric flux through Gaussian surface is given by @ = qenclosed / €o Where  @ = flux...

Q: A Gaussian surface with rectangular size has a positive point charge +q at its center, as shown in t...

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Q: If the coefficient of kinetic friction between a 28 kgkg crate and the floor is 0.38, what horizonta...

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Q: Power in an Electric Heater An electric heater is constructed by applying a potential difference of ...

A: Given,         V = 120 V       R = 7.75Ω  

Q: Discuss the effects of changing the mass of the bob (metal and wood) while holding the length of the...

A: If the length of the pendulum is constant , the mass of a pendulum's bob does not affect the period.

Q: A car is moving at a speed of 30.0m/s when the engine suddenly fails. The car is beginning to slow d...

A: Given Initial speed of the car is v0=30.0m/s Acceleration of the car is a=-2.00 m/s2 Final speed of ...

Q: Ginny lifts a 17 kg super spud 0.5 m off the ground and did 85 J of work by placing the potato on a ...

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Q: +2.8 x 10-8 C 0.0025 m •B 0.0050 m •A 0.0025 m -2.8 × 10-8 C

A: separation between A and B=0.005m charge = 2.8×10-8C Distance between charge and both point A and B=...

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”