1. Three points A, B, and C are on the corners of an equilateral triangle. At A, there is a point charge of +0.100 μ?. What is the magnitude of the electric field intensity at a point midway between B and C, if BC is 10.0 cm?

Q: A current of 2.3 A flows upwards through a vertically arranged straight wire in the Earth's magnetic...

A: Given Current flowing l =2.3 A Earth horizontal MF = 1.7×10-5 T At null point earth Magnetic field w...

Q: 2. Selae for the tenteon aloos the Strings AB (T,) pBC (T]

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Q: 3. The air resistance of a free falling body with mass m is assumed to be proportional to its curren...

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Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the squa...

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Q: In a lab activity, forces A and B were set on the force table. A = 0.10 N at 0 degrees and B = 0.10 ...

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Q: The electric field between two square metal plates is 270 N/C. The plates are 1.9 mm on a side and a...

A:  The electric field between the two plates E = 270 N/C side of the plate a = 1.9 mm = 1.9×10-3 m The...

Q: You are in a hot-air balloon that, relative to the ground, has a velocity of 4.84 m/s in a direction...

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Q: 4. What is the rate of heat transfer by radiation, with an unclothed person standing in a dark room ...

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Q: Speeds defined by how much distance you travel in a certain amount of time. V=d/t. You are planning ...

A: Given data: Time (t) = 1.5 hr Distance (d) = 90 mi Required: The speed in SI unit 

Q: QI. Construct a ray diagram of both concave and convex spherical mirors. Use the last three digits o...

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Q: You kick a ball with an intial velocity whose magnitude is 38.9 m/s and whose direction is 8°. How ...

A: Given data:  Initial velocity (v0) = 38.9 m/s Angle (θ) = 8° Required: Horizontal Range (R) 

Q: A car moving with an initial velocity of 20 m/s passes a police car initially at rest. Starting from...

A: Given, Initial velocity of police car u =0 Velocity of car V= 20 m/s2 The time taken to catch the ca...

Q: 4) apart between adjacent planes as shown in the diagram. The plane on the left has a charge density...

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Q: Example 2. A high-speed AC 130 gunship is flying at a pressure altitude of 10 km. A Pitot tube on th...

A: Pressure on the wingtip (P0)=4.24×104 N/m2Pressure at altitude 10 km (P1)=2.65×104N/m2

Q: - Density is defined as the ra where p is the Greek letter measured to be m = 50 ga What is the dens...

A: mass= m =50 g = 0.05 kg Volume = V = 1000 cm3= 1000 x 10-6 m3                 V = 10-3 m3 density = ...

Q: Part A What is the magnitude of the electric flux through the rectangle if E = (150i – 250j) N/C? %3...

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Q: (1) 8x 10g (2) 2 x 10 J (3) 2 x 10 (4) 4 x 10 J pring

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Q: A satellite is in a circular orbit about the earth (MẸ = 5.98 x 1024 kg). The period of the satellit...

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Q: You place a 10 kg brick 0.75 m to the right of a fulcrum. You then place a flower pot 1.5 m to the l...

A: according to mechanical advantage . we have  brick weightflower pot weight=distance from fulcrum to ...

Q: A skydiver jumps from a plane 4000 meters in the air that is flying 250 m/s horizontally. To land sa...

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Q: Two capacitors, C, = 5.27 µF and C, = 11.7 µF, are connected in parallel, and the resulting combinat...

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Q: initially at rest on the surface of Mars where g = 4 m/s ^ 2 . The mass of the spaceship is 3000 kg....

A: We know that initially, the spaceship rests on the surface of mars and where g = 4 m/s2 and the mass...

Q: d. The speed that a vehicle was traveling, s, in miles per hour, when the brakes were first applied,...

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Q: What will happen when the supports are removed from this system? 30 kg 12 kg kg 2 1.75 1.5 1.25 1 0....

A: Consider the given data as below. Mass, m1=30 kg Mass, m2=5 kg Mass, m3=12 kg   Draw the free body d...

Q: Four point charges are at the corners of a square of side a as shown in the Figure. What is the resu...

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Q: Two persons, weighing 784 N each, carry an excess charge of 1.0 Coulomb, one positive and one negati...

A: a) Write the expression for the force due to excess charge and substitute the required values.

Q: Knowing that, ignoring air resistance, an apple falling from a height h hits the ground when 2h If y...

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Q: Calculate the mass of an object (in kg) if a 10 N force causes the object to accelerate 5 m/s2 on a ...

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Q: (a) What is the momentum in kg · m/s of a garbage truck that is 1.00 x 104 kg and is moving at 28.0 ...

A: Given data:  Mass of garbage truck (m1) = 1.00×104 kg Speed of truck (V1) = 28.0 m/s Mass of trash (...

Q: A hollow steel ball weighing 4 pounds is suspended from a spring. This stretches the spring feet. Th...

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Q: One Helium atom weighs 26.2 X 10-7 kg. How many He atoms would weigh 262 kg O a. 10° О. 107 Oc 10- O...

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Q: An object has a velocity of (5.4 m/s)i -(4.8 m/s)j. Over a period of 1.3 s, its velocity changes to ...

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Q: A wheel starts from rest and rotates with constant angular acceleration to an angular speed of 12. 0...

A: Given data:  Initial angular velocity (ωi) = 0 rad/s Final angular velocity (ωf) = 12.0 rad/s Time (...

Q: different number of significant figures than required for this part maction time" of the average aut...

A: Given Initial velocity u = 55.2 mi/h = 55.2 × 5280/3600  ft/s  = 80.96 ft/s Acceleration a =10.8 ft/...

Q: What are the characteristics of a force?

A: Answer:- The characteristics of a force :-  (1) Forces are due to an interaction of at  least any tw...

Q: A 13.2 kg child jumps up and grabs a (round) horizontal tree branch that has a diameter of 5 cm. The...

A: GivenMass of child m=13.2 kgDiameter of tree branch d =5 cm=0.05 mLengh of Branch iinitialy from tru...

Q: Air resistance on a projectile A. Lessens it’s range B. Lessens it’s height C. Both of the above D. ...

A: Air resistance increases downward acceleration so time in which object is in air decreases. Range an...

Q: Three point charges are located on the x-axis. The first charge, q1 = 64.0 μC, is at x = 0.00 cm; th...

A: The force between two charges is given by kq1q2/r2 , where r is the distance between the charges . A...

Q: 2. When instrument is at X the staff readings on A is 2.748 m and on B is 1.824 m; when instrument i...

A: (b) 0.069 is the answer.

Q: Calculate the total resistance of each circuit, the voltage across each resistor and the current goi...

A: Figure 1,     Given,              V = 5 V             R1 = 100ΩR2 = 200Ω Since Resistors are arrange...

Q: Show that Ä: (B x C) = B · (C × Ã) = Ĉ · (Ä × B), Ã × (B x C) = B(Ä… Č) – Č(Ä · B). %3D

A: Let, vector A→=Axi^+Ayj^+Azk^,                       B→=Bxi^+Byj^+Bzk^,                      C→=Cxi^...

Q: What is the pressure on an object at the bottom of a fresh water lake if the lake is 123 m deep?

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Q: A projectile is launched from ground level at an angle of 70.0 degrees above horizontal with a speed...

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Q: II. Calculate the values asked in the following questions with the given circuit diagram. Determine ...

A: C1 = 1 μF C2 = 1 μFC3 = 1μFC4 = 1 μFC5 = 1μFV3 = 5 volts 

Q: 6. The volume of a cube is (Express your answer in

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Q: A sinusoidal wave traveling in the positive x direction has amplitude of 10.0 cm, a wavelength of 10...

A: Given data:  Wavelength (λ) = 10.0 cm = 0.100 m Frequency (f) = 5.00 Hz Required: Wave speed (v) 

Q: . When a spring is stretched 0.200 meter from its equilibrium position, it possesses a potential ene...

A: Given data:  Stretch in spring (x) = 0.200 m Potential energy (P) = 10.0 J Required: Spring constant...

Q: A certain substance has a dielectric constant of 2.2 and a dielectric strength of 22 MV/m. If it is ...

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Q: 6 The angle between A = -(25m)î + (45mĵ and the positive X axis is A29°

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Q: At highway speeds, an automobile is capable of an acceleration at about 1.6 m/s?. For how long was i...

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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.