Two charged particles, one with a charge of +q and the other with a charge of -3q, are placed on the x-axis at x = 0 and x = +4a, respectively. a. Find the point where the electric potential is zero b. What is the magnitude and direction of the net electric field at this point? Is it zero?

Q: A point charge, q = +8.00 pC, and mass, m = 2.00 x 10-14 kg starts from rest on a planar, infinite s...

A: Given value--- Charge = + 8C. mass = 2 × 10-14 kg. Charge density = 3 pC. s = 1 cm. We have to fin...

Q: A roller-coaster car has a mass of 504 kg when fully loaded with passengers. The path of the coaster...

A: Given,m = 504 kgr1 = 10.0 mr2 = 15.0 mvA = 19.8 ms

Q: 2. You are driving your car to province when mosquito splatters on the a windshield.Which has a grea...

A: From Newton's 3rd law (law of action and reaction)  the force due to the car on the mosquito and the...

Q: For the structure below, what is the capacitance "between"points A and B, B and C, and A and C. If p...

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Q: The drawing shows two situations in which charges are placed on the x and y axes. They are all locat...

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Q: The resistance of a platinum wire at 30℃ is 15 Ω. Find its resistance at 45℃. Note that ? = 0.0039/...

A: Resistance of wire at 30o C = 15 ohm Coefficient of variation of resistance with temperature for pla...

Q: While riding on an elevator descending with a constant speed of 2.6 m/s, you accidentally drop a boo...

A: We have GivenElevator descending with constant speed =2.6 m/s

Q: 2. 4 mc 2 mc 2 mc Q3 Q1 30 cm 20 cm F2 ? F3 ?

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Q: Explain the difference between the group velocity and the phase velocity. Tell which one is associat...

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Q: Calculate the displacement at the time of 1.0 s. sin() cos() tan() 7 8 9. HOME cos() os() sinh() cot...

A: Given to us,       u = 14.5 m/s       t = 1 sec To find displacement in 1 second    

Q: A student was asked to draw and describe a model for either an electric motor generator. Her descrip...

A: "The model  shows a loop of wire which is being rotated by some external force between two strong pe...

Q: Bowling Barry asked how much impulse is needed to stop a 10 kg bowling ball moving at 6 m/s. What is...

A: Given Data:- Mass of the ball is m=10 kg Initial speed of the ball is vi=6 m/s Final speed of the ba...

Q: How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers ...

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Q: A particle has a charge of -5.8 nC. (a) What is the magnitude and direction of the electric field du...

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Q: . A uniformly charged, straight filament 2.0 m in length has a total positive charge of 3.0 ??. An u...

A: GivenLength of straight filament L=2.0 mTotal Positive charge (q)=3.0 μCLength of uncharged cardboar...

Q: A parallel-plate air-filled capacitor has a capacitance of 70 pF. (a) If each of its plates has an a...

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Q: Find the value of the electric potential at point P in the diagram below. а. 360 volts b. 285 volts ...

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Q: Suppose you have have a 1300 W toaster. Part (a)  How much electrical energy in J is needed to make...

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Q: Find the spring constant for a stretched bungie cord if it was stretched 0.45m and its elastic poten...

A: Data Given , Elastic potential ( U ) = 4000 J Extension ( ∆x ) = 0.45 m 

Q: Three point charges are fixed in place in a right triangle, as shown in the figure.       where y...

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Q: At t = 0, a particle moving in the xy plane with constant ac- celeration has a velocity of v; = (3.0...

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Q: What is the spring potential energy stored in a spring with a spring constant of 678N/m when it is c...

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Q: Initial Final A 0.611 kg block is placed on a spring with a spring constant of 163 N/m, compressing ...

A: Given data:  Mass (m) = 0.611 kg Spring constant (k) = 163 N/m Compression in spring (x) = 0.31 m Re...

Q: Four charges were arranged in space such that they form a rectangular configuration. The magnitude o...

A: q1 = q3 = 2 nC q2 = q4 = 3 nC distance between q1 and q2 = 10 m distance between q2 and q4 = 5 m dis...

Q: Why is a graphical determination of the average velocity obtained from the slope of a best-fit line ...

A: Best way to get average velocity is by graphic method from the slope of the best fut time of initial...

Q: Which of the following are true about ferromagnetic materials? 1) weakly attracted to a magnet 2) no...

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Q: Three capacitors of 16, 15 and 12 uf, respectively are connected in series. What us the maximum volt...

A: Equivalent capacitance in series  1/C = 1/C1 + 1/C2 + 1/C3  

Q: Calculate the work (in joules) required to pump all liquid out of a full tank. C b Assume a = 14 m, ...

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Q: A power supply maintains a potential difference of 67.3 V across a 2890 2 resistor. What is the curr...

A: The potential difference maintained by the power supply: V = 67.3 V The resistance of the resistor: ...

Q: An object of mass  m = 0.380 kg  is suspended from the ceiling of an accelerating truck as in the fi...

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Q: The membrane surrounding a living cell consists of an inner and an outer wall that are separated by ...

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Q: nine wask done

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Q: 46. An ammeter needle is deflected 52.00° by a current of 0.2500 A. The needle is 3.750 in. long, an...

A: Given,  Needle deflection is 520 at 0.25 A So, needle deflection at 1.5 A = 1.50.25×520 = 3120 Needl...

Q: A plane flies with a velocity of 235m/s making an angle of 48 degrees, North of East. c. Find the v...

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Q: 3. The figure below shows two tiny charged spheres q1 = +5 µC and q2 = -7.5 µC separated by 8.0 cm. ...

A: Given : Two tiny charged spheres           q1 = +5 μC and q2 = -7.5 μC are separated by 8 cm.

Q: e next question prevents changes to this answer. Question 1 of 6 0.5 points Save Answer t is operati...

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Q: Is Cross-Sectional Area (CSA) or Drag Coefficient (Cdrag) a better predictor of Drag Force (Fdrag)?

A: Drag force is just like friction force that opposed the motion of object in fluid.

Q: A runner consistently completes a 1 mile race in 4 minutes. How many minutes are expected to race 15...

A: Given value--- distance = 1 mile . time = 4 min. We have to find--- How many minutes are expected...

Q: Comment on the Phase velocity (Vp) of the waves for increased values of Δω and Δk

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Q: 390 m/s due west at one moment and 450m/s due north 10.0 s later. Find the plane’s average accelerat...

A: We know that An airplane is flying 390 m/s due west at one moment and 450m/s due north 10.0 s later....

Q: A long, straight wire perpendicular to this page carries a current of 4.79 A directed into the page....

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Q: Choose the correct statements.   a. The equilibrium state is the macrostate with the smallest numb...

A: Correct option is (b) and (d).

Q: The resistance and the magnitude of the current depend on the path that the current takes. The drawi...

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Q: Two-point charges 10 cm apart exert a force 1x 10 raised to the (-3) grams on each other the charges...

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Q: art (a) Find the vertical component of the velocity, ve, in meters per second, with which the ball h...

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Q: 1) one meter is equivalent to 3.281 ft. A cube with an a edge of 2.15 ft has a volume of A) 0.281 ...

A: Given : Edge = 2.15 ft

Q: Choose the correct statements.   a. A system with a larger number of macrostates has a larger entr...

A:  Answer: we know the relation between entropy and microstates :       S=k ln(W) where S= entropy    ...

Q: is 4. An additional piece of 6-mm insulation is inserted between the plates. What is the dielectric ...

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Q: Three resistors are placed in a circuit as shown. The potential difference between points A and B is...

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Q: A parallel-plate capacitor has circular plates of 5.05 cm radius and 1.40 mm separation. (a) Calcula...

A: Given Data:- Radius of the parallel plate capacitor is r=5.05 cm=5.05 cm×1 m100 cm=0.0505 m Separati...

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.