Draw and solve the electric field at the center of a square of side length 1.0m with alternating +1-C, -1-C, +1-C, and -1-C charges placed at its vertices. Determine the direction.

Q: A car traveling at (50 ft/sec) exerts a draw - bar pull of (20,000 lb). What horsepower does it deve...

A: Write the given values with the suitable variables. v=50 ft/sF=20000 lb Here, v is the velocity of t...

Q: .A parallel circuit has 3 resistors each on different paths connected to a 120 V potential differenc...

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Q: A batch of hot tea (2.00 kg at 95°C) is thrown into a large pond, which has a temperature of 15°C th...

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Q: The particle P starts from rest at point A at time t = 0 and changes its speed thereafter at a const...

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Q: Q3: Two particles A and B, initially at rest, move towards each other under the mutual force of attr...

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Q: A figure skater begins spinning counterclockwise at an angular speed of 5.0π rad/s. She slowly pulls...

A: Given value--- initial angular velocity = 5 π rad/s. final angular velocity = 9.0π rad /s. time = 3...

Q: Convert (127 Km/hr) to meter/second *

A: Given in question:  V = 127 km/hr To find - Convert this speed into meter/second. Solution: Step1 - ...

Q: Calculate the rotational inertia of a meter stick, with mass 0.539 kg, about an axis perpendicular t...

A: Given  Mass, M = 0.539 kg  Distance ,D = 40.5 cm    Meter stick, L = 100 cm The rotational inertia,I...

Q: The dark grey car below with a mass of 2575-kg ran into the back of a 825-kg compact car at rest. Af...

A: GivenMass of dark grey car ,M=2575 kgMass of compact car ,m=825 kgCompact car is at restAfter collid...

Q: A flat coil of wire, consisting of 20 circular loops with a total resistance of 20.0 2, is placed so...

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Q: A parallel plate capacitor is constructed of metal plates, each with an area of 0.2 m^2. The capacit...

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Q: A long current-carrying wire, oriented North-South, lies on a table (it is connected to batteries wh...

A: GivenThe distance of needle above the wire is (x) =3mm=3×10-3mHorizontal component of earth magnetic...

Q: When you bring a current-carrying wire down onto the top of a compass, aligned with the original dir...

A: Given data: Distance d = 3 mm Angle θ=17o Magnetic field BEarth=2×10-5 T

Q: Calculate the power dissipated in R5, as shown in Fig. (1). R1-6 n wwww R2-3n Rs-6n R4-2 n Rs=6 n E=...

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Q: 12. In the given circuit the current I, is 1) 0.4 A 2) - 0.4 A 30 1.1 3) 0.8 A 4) - 0.8 A 40 an! 40

A: According to kirchhoff first law  Algebraic sum of current at a junction is zero.  According to kirc...

Q: Two resistors with values of 15 Ω and 19 Ω, respectively, are connected in series and hooked to a 12...

A: Given: The resistors with values of 15 Ω and 19 Ω. The connection of the resistors is in series. The...

Q: A student wants to calculate the density of the two objects shown in the figure below.

A: Density = mass /volume 

Q: Three part ( A, B, C) connected in a parallel. Part (A) contents (2 Q, 6 Q) in series. Part (B) cont...

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Q: force of 2 pounds stretches a spring 1 foot. A mass weighing 3.2 pounds is attached to the spring, a...

A: We know that the spring force is given as  F = kx  where  k is the spring constant  x is the displac...

Q: Q12: An arc lamp requires a direct current of 10A at 80V to function. If it is connected to a 220V (...

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Q: 1. An object completes 1.5 circular orbits in half a minute. What is its approximate angular velocit...

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Q: (2000000) electrons flow through a metal for 1 minute. Find the value of current.

A: GivenNumber of electron ,N=2000000Time ,t=1 min=60 s

Q: 5) Why is inserting dielectrics in a capacitor important? a. To impede or block the charges passing ...

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Q: If an electric field is parallel to the area, what percentage of the electric field can pass through...

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Q: In the figure, block 1 has mass m1 = 480 g, block 2 has mass m2 = 550 g, and the pulley is on a fric...

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Q: The difference between divergence and curl is represent vector field False true

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Q: Consider a 100-N weight suspended by two wires as shown in the figure. Find the magnitude and compon...

A: Given: The weight of the object is 100 N.

Q: A soccer ball is kicked from the ground with an initial speed of 19.9 m/s at an upward angle of 44.3...

A: Apply the second kinematic equation along the vertical direction and substitute the required values.

Q: If not act any forces on a body, this means the body at rest. O False O True

A: Given  The statement is  if not act any forces on a body, this means the body at rest.

Q: When finding the forces of an object on an inclined plane, which of these vectors is separated into ...

A: when ever an object is placed n the inclined surface it usually starts to slide downward.The rate at...

Q: A rod has uniform charge density ^=ro in the interval -L L. b) Examine the result for xo goes to inf...

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Q: A uniformly charged insulating rod of length 13.0 cm is bent into the shape of a semicircle as shown...

A: GivenLength of rod =13cmRadius of semicircle =13π=41.38cm or 0.04138m

Q: You are driving along Lawrence Ave. at 60 km/h. You see the traffic light ahead is still green and d...

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Q: An observer notice an airplane flying horizontally with a constant speed of 200 kph at an altitude o...

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Q: what are the theories and formulas of electric potential and capacitance

A: The electric potential is the amount of work to move a charge from a reference point to a particular...

Q: The intensity of sound waves is proportional to the square of the .frequency True False

A: As per our company guidelines we are supposed to answer ?️only first 3 question. Kindly repost other...

Q: A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is connected ...

A: Given A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is conn...

Q: two tiny charged spheres q1 = -8.16 µC and q2 = -0.99 µC separated by 41.30 cm. If q3 = 9.14 mC is p...

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Q: Brine enters a cooler at a rate of 58 m/hr at 63°F and leaves at 1°C. Specific heat and specific gra...

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Q: What is the force required to a steel wire to double its length when its area of cross-section is on...

A: In the question it is given that ,Young's Modulus Y=200GPa=200×106Pa=2×104N/m2length of the wire (le...

Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of ener...

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Q: P19. A cylinder with mass of M and radius R can rotate about a vertical, frictionless axle. A se- co...

A: mass of larger cylinder = M radius of larger cylinder = R mass of smaller cylinder =m radius of smal...

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.6 m a...

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Q: The moment vector is perpendicular containing the force * O True False

A: False, Moment vector is perpendicular to force, not contiaing the force . Explanation :-     Since ,...

Q: (а) х х х х х X X X X X X X X X X X X X X X X X X FIGURE 3 FIGURE 3 shows a proton moving with veloc...

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Q: 3. Arock is dropped from a rest position at the top of a cliff and free falls to the valley below. A...

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Q: A stone is thrown vertically upward from the top of a house 50 ft above the ground with an initial v...

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Q: A block of mass m= 3.50 kg oscillates on a flat horizontal frictionless surface, under the action of...

A: Given Data: The mass of the block is: m=3.50 kg The elastic constant of spring 1 is: k1=1.00 N/m The...

Q: Part A Proton-beam therapy can be preferable to X rays for cancer treatment (although much more expe...

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Q: ass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. Initially, the mass ...

A: Given  Weight ,W = 24 pound  g = 32ft/s2  Equilibrium position, X = 4 inches  Initial position, 8 in...

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.