What is the electric potential (in kV) at point A?

Q: A small plane flies a distance d1 = 32 km in a direction θ1 = 64o north of east and then flies d2 =…

A: Given: Distance d1 =32 km Distance d2 =23 km Angles = 64 degrees and 18 degrees

Q: A child running in a field has the following position and velocity at time t=0:…

A: Given, At t=0  x = 1.5 m , y= -2.0m  vx =-3.5 m/s, vx = 1.0 m/s  At t=2.5sec  x= -1.0m , y= 1.5m…

Q: Find the tota) displacement of a dog running in a field who made the three trips shown in the figure…

A: We are given 3 displacements for the dog running. We find the x component of the resultant…

Q: Which one of the following objects has the greatest inertia? a. ping pong ball b. a basketball c.…

A: 1. Option (d) is correct answer.  A bowling ball has the greatest inertia among the objects listed.…

Q: a. Draw a free-body diagram, including all forces acting on the wagon. b. Show the component…

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Q: How did you get the angle 110 degrees? When I input it into the calculator, the answer is -70.

A: Given, Two forces act on a point object as follows: 100 N at 170.0 degree and 100 N at 50 degree.…

Q: A 1.0-kg standard cart collides on a low-friction track with cart A. The standard cart has an…

A: Given:-  The mass of the standard cart is m1=1.0 kg  The initial speed of cart A is v1=0.40 m/s…

Q: Problem s: A photovoltaic array of (solar cells) is 10.0% efficient in gathering solar energy and…

A:

Q: A model rocket is launched straight upward with an initial speed of 45.0 m/s. It accelerates with a…

A: As per guidelines only 3 subparts are solved here. Given, A model rocket is launched straight upward…

Q: Derive an expression for the power being dissipated in R3 for (Figure 2). Express your answer in…

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Q: Wave Diffraction  How does the intensity of light affect the diffraction pattern? What affect does…

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Q: A toy rocket of mass 0.50kg starts from rest on the ground and is launched upward, experiencing a…

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Q: An elevator cab is moving downward by a cable. The total mass of the cab is 1950 kg. Find the…

A: Cab is moving with constant speed so the acceleration of the car is zero so according to Newton's…

Q: A toy rocket of mass 0.50kg starts from rest on the ground and is launched upward, experiencing a…

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Q: A cannonball is fired from a gun with a muzzle velocity of 25 m/s at an angle of 60 c What are the x…

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Q: A guitar player tunes the fundamental frequency of a guitar string to 440 Hz. (a) What will be the…

A: Given Data: Fundamental frequency (f1) = 440 Hz. To Determine: (a). The fundamental frequency if…

Q: A 6.43 kg ball moving initially at 10.8 m/s hits a 6.14 kg ball at rest, in a linear elastic…

A: Given: mass of  1st ball = 6.43 kg initial velocity= 10.8 m/s Mass of 2nd ball =6.14 kg initial…

Q: 3.92 A hexagonal plate is acted upon by the force P and the couple shown. Determine the magnitude…

A: Write the equation for the force-couple system ΣME =(0.2sin30°+0.2)m×300 N +(0.2 m)sin30°×300 N…

Q: What exactly is meant by the term "static variable"?

A: "Static variable" is a term mainly defined in the field of "Programming languages". Static means…

Q: 4. Determine the moment about point A of each of the three forces acting on the beam. คําตอบ: Mo…

A: We are given magnitudes of 3 forces. We first find the component of 2nd force perpendicular to the…

Q: -. If the peak value of the alternating current in a 950 W device is 5.0 A, then what is the rms…

A: Io=5Amp Irms= Io/√2=5/√2 Amp

Q: A distance of 90 meters separates two jetskis at Virginia Beach. Starting at rest, the jetskis…

A: Write the second kinematic equation and substitute the corresponding values to calculate the time.…

Q: A rope inclined with 25^o has a tension of 120 N that pulls a 25 kg box along a horizontal floor. If…

A: Given that, Tension force, F=120 N Mass of the box, m=25 kg Angle, θ=25o Coefficient of kinetic…

Q: Problem 20.04. You are given two resistors, R₁ 50.0 2 and R₂ 1.00 × 10² kn, as well as two…

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Q: During a baseball game, a baseball is struck, at ground level, by a batter. The ball leaves the…

A: It is given that, the initial velocity of the ball is v0=46.7 m/s the angle at which the ball leaves…

Q: An astronaut on a distant planet kicks a soccer ball at an angle of 45.1 degrees above horizontal,…

A: According to the u=11.5m/s θ=45.1 ° ay=2.87m/s We need to find Range Sy=uyt+12ayt2

Q: Kendra and her brother are pushing a stalled car. At one point, the forces acting on a the car are…

A: Given in the question are the forces acting on a stalled car: the gravitational force (17,400 N…

Q: A river has a steady speed of 0.440 m/s. A student swims upstream a distance of 1.00 km and swims…

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Q: If we construct a globe at a scale of 1:1,000,000, what will be its diameter? (You may give your…

A: At a scale of 1:1,000,000, the diameter of a globe would be proportional to 1,000,000 times the…

Q: What is the magnitude of the average angular velocity of the eye?

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Q: 2) Phineas and Ferb decided to study resistivity by measuring the resistance of coils. They plotted…

A: This problem can be solved using formula for resistivity and resistance of materials.

Q: In Figure (a) below, a 9.00 V battery is connected to a resistive strip that consists of three…

A: Scale: 8 divisions = 9.68 mm 1 division = 1.21 σ3 = 3.018 x 107 Ωm-1 The slope of voltage vs…

Q: 4. The density of water at 4.00°C is 1.00g/cm³. Convert the density to (a) kg/m' and (b) lb/ft³.

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Q: Problem 1 The figure shows the path of a golf ball on a field that is inclined at an angle of 0 =…

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Q: 4) A resistor is connected in series to a switch, 100 µF a capacitor, and a 1.5 V battery. The…

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Q: TS-2 Two thin conducting spherical shells are shown to the right. The inner shell of radius…

A: When a question with multiple subparts is given then, according to the guidelines only the first…

Q: A planet of mass 7 x 1024 kg is at location m. A star of mass 9 x 1030 kg is at location m. What…

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Q: In the figure the four particles are fixed in place and have charges 91-92-4e, 93-2e, and q4--8e.…

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Q: If you replaced the copper wire in the circuit above with another copper wire that had the same…

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Q: What is the force of friction between a block of ice that weighs 950 N and the ground if μ = 0.12?

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Q: EXPERIMENT (Individual activity) This coin-drop activity will help you visualize the concept of…

A: When a question with multiple subparts is given, then according to the guidelines, only the first…

Q: Cara is skiing down a hill. Her total mass (including the skis) is 70.4 kg. When she reaches the…

A: Given data- Mass of Cara is M=70.4 kg Initial velocity of Cara is v0=6.22 m/s Coefficient of…

Q: 1. A beam of light shines into a liquid. The angle of incidence is 31°. The angle of refraction is…

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Q: A hurricane wind blows across a 6.50 m x 12.4 m flat roof at a speed of 160 km/hr. What is the…

A: Given data: Dimension of the roof is 6.50 m×12.4 m Speed of wind, v=160 km/hr

Q: Angle O nnonball is fired from a gun with a muzzle velocity of 60 m/s at an angle of 35 degrees…

A: Motion of projectile can be divided into x component and y component.

Q: d(A. B) dt = A. dB dA dt dt + B

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Q: The tension in a wire clamped at both ends is increased to 5.8 times its original magnitude without…

A: Given data: The given tension in the wire is T=5.8 s Using the formula v=Tm

Q: 20. A washing machine spin dries clothes. It starts spinning at 20 rad/s and slows turning through…

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Q: An infinitely long cylindrical conducting shell of outer radius r1 = 0.10 m and inner radius r2 =…

A: a) Consider a Gaussian surface within r1 and r2. Apply the Gauss law within the Gaussian surface and…

Q: A stationary 18.3 kg wooden box is pulled by a 273 N force that is 32^0 above the horizontal. A 105…

A: Given Mass of wooden box = 18.3 kg pulling force = 273 N 32° above the horizontal. Frictionforce =…

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.