12. A very small charge (5.0 nC) is at the origin of an axis system. A second charge (-2.0 nC) is at the position x = 3m, y = 0. What is the electric potential at x = 0, y = 4m? A. 25 v B. 18 v C. 8 v D. 4 v

Q: Two identical small charged plastic balls are dropped into a vertical tube, one after the other. The…

A: Let the charge on first ball = q Let the charge on second ball = q' Let the mass of the second ball…

Q: Two point charges lie along the y-axis. A charge of q₁ = -9.5 μC is at y = 6.0 m, and a charge of q2…

A: q1 = -9.5 μC placed at y = 6m q2 = - 5 μC placed at y = -4 m distance between two charges (D) =…

Q: Q1: What is energy and what are applications of energy Q2: What are classifications of energy? Q3:…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: Here are two charges of equal magnitude but opposite sign, separated by a distance s: Choose from…

A: (1) The electric field due to a positive charge points away from the charge and the electric field…

Q: Problem. An object with mass m₁ = 7 kg moves on a level, frictionless table in a physics lab. It is…

A:

Q: What is the work done by a 300-watt electric grinder in 5 minutes? 90 J 0 1kJ O 90 kJ 01J

A: We know the electric grinder is Rated 300W power And: Power=Work DoneTime   or   P=WtAnd1Watt = 1…

Q: An inductor with an inductance of 2.50 H and a esistance of 8.00 is connected to the terminals of a…

A: Given:-  The inductance of the Inductor is L = 2.50 H The Resistance of the resistor is R =8 ohm.…

Q: A light meter reads the illumination received from the sun as 1 x 105 lm/m2. If the distance from…

A: Given, Luminous Flux = 1 x 105 lm/m2. Distance = 1.5 x 1011 m we need to calculate, The luminous…

Q: ship being launched slides down the ways with a constant acceleration. She takes 4 sec to slide the…

A:

Q: 3 = 3. A point is turning along the circular path with R 4 m, The covered distance depends on time…

A:

Q: The density of silver is 10.5 g/cm^3. What is its density in kg/m^3?

A: The density of the silver is given as: ρ=10.5 g/cm3

Q: The quarterback Q throws the football when the receiver R is in the position shown. The receiver's…

A: This problem can be solved using kinematic equations and First, we can use the…

Q: The lower part of A1 is resting on the ground, while A2 is elevated at y = 0.39d1 where di is the…

A:

Q: a) Explain the conditions necessary for total internal reflection of light at the interface between…

A: Answer to question a ) Total internal reflection of light occurs when light travels from a medium…

Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…

A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…

Q: Draw the velocity vectors and acceleration vectors for the objects on the circle below. Make sure to…

A:

Q: How far will 350 J raise a 7 Kg mass?

A: Given value--- potential energy , U = 350 J. mass , m = 7 kg. We have to find--- height ?

Q: Here is a bar magnet. The magnetic field made by the bar magnet at one location is shown on the…

A: Around a bar magnet, there is a magnetic field. The magnetic field around a bar magnet is the area…

Q: 9. A light ray propagates from a medium of refractive index n =1 to a medium of refractive index…

A: The principle of law of reflection states that when light rays hit a smooth surface, their angles of…

Q: A 7.0 kg bowling ball moves at 2.45 m/s. How fast must a 3.00 g Ping-Pong ball move so that the two…

A:

Q: 6. For each of the position vs time graphs shown below, draw the corresponding v vs t, a vs t…

A:

Q: A silver block, initially at 56.9 ∘C∘C, is submerged into 100.0 gg of water at 24.1 ∘C∘C, in an…

A:

Q: 8° T Newtons Figure 1 8 tan 8 = The Figure 1 shows a packing case of mass 6.8 kg being pulled up a…

A: The mass of the packing case, m=6.8 kg The relation given to find the angle θ with respect to the…

Q: A stone is thrown vertically upwards with a velocity of 40 m/s. Find its position after 5 seconds.

A: Given value--- stone is thrown vertically upwards with a velocity of 40 m/s. We have to find---…

Q: You have two ways of driving from Beaverton to Arens. You can drive the scenic route or take the…

A:

Q: Most materials expand when heated because: A) It's like when you stand around a campfire, and it's…

A: the answer of this question is the option B    molecules vibrate more when heated.

Q: The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite…

A: 984 Ps1 Ps=1×1015 s984 ps=9.84×1017 s986 fs1 fs=1×10-15 s986 fs=9.86×10-13 s

Q: A 0.2 kg ball is caught in a 0.5 kg glove. The ball had been moving at 8.0 m/s and it required 5.0…

A: Given Mass of ball = 0.2 kg Mass of glove = 0.5 kg Initial velocity of ball = 8.0 m/s  required…

Q: Problem: A brick with mass m₁ = 10kg is placed on an inclined plane with slope angle 0=30 and is…

A: Draw the free-body diagram of the system.

Q: The thermal efficiency of a reversible power cycle operating between hot and cold reservoirs is 70%.…

A:

Q: What is the kinetic energy of a 1.2 x 10³ kg car whose velocity is 35 km/hr? 39.54 kJ O 49.12 kJ…

A: Given data:  Mass (m) = 1.2×103 kg. Velocity (v) = 35 km/hr Required: The kinetic energy (KE)

Q: A cart coasts at a constant speed of 18.0m/s down a flat inclined road that makes an angle of 3.1°…

A:

Q: Find the net torque on the wheel in the figure below about the axle through O perpendicular to the…

A:

Q: Find the magnitude of the difference between the total downward force at the top of the cube, and…

A: GIVEN: Density, ρ = 1039 kg/m³ L = 0.442 m Mass, m = 7 kg Atmospheric pressure, Po = 1 atm =…

Q: A car is traveling around a circular track of 840-ft radius. If the magnitude of its total…

A:

Q: 9. Given two vectors, a = 4.01 - 3.0ĵ and 5 = 6.0Î + 8.0ĵ, find the magnitudes and directions (with…

A: According to guidelines we need to solve only first three sub-part kindly repost other parts in the…

Q: A frustrated office worker throws his laptop out of his business's high- rise office building. The…

A:

Q: 3. A force of magnitude 10N acts on a body at angle 30° with respect to its displacement. Find the…

A: Given value--- applied force = 10 N. angle = 30 degree . displacement = 5 cm. We have to find---…

Q: Two students wanted to have the same platform box (m= 8 kg) at the gym so they play some sort of a…

A: Free body diagram:

Q: You are analyzing an Atwood machine with masses m1 and m2 connected over a pulley by a massless…

A:

Q: The car is traveling at a speed of 60 mi/hr as it approaches point A. Beginning at A, the car…

A:

Q: A 1,100kg car is turning on a flat roadway, moving in a circle with a radius of 12m.  The car is…

A:

Q: What are the shapes of the orbits of the planets

A: Here we will use Kepler first law to answer this question.

Q: A projectile is launched with an initial velocity v at an angle of theta with respect to the x axis.…

A: Given,  V0= 1.25E+02 Theta= 6E+01 We need to calculate,  vox, voy, t, ymax and xmax=?

Q: Two objects with negative charges of 6.2 C each are separated by 0.3 m. What is the size and…

A:

Q: A positive charge q₁ = 2.70 μC on a frictionless horizontal surface is attached to a spring of force…

A: q1 = 2.70μC q2 = -8.6μC original distance between the two charges = 9.50 cm = 0.095 m final distance…

Q: A 1,300 kg car is capable of making a turn at a maximum speed of 15 m/s without spinning out.  If…

A: here m=1300 kg         v=15 m/sμ=0.6                   f=μNAnd       N=mg

Q: A stone is dropped down a well and 5 sec later the sound of the splash is heard. If the velocity of…

A: Total time to hear the sound, T= 5 secThe velocity of sound, c=1120 fps=1120×0.3048=341.4 m/s

Q: Derive and explain the Toricceli's Law.

A:

Q: A 600kg roller coaster car is at the top of a loop (it is upside down) that has a radius of 6m.  If…

A: Given that: m=600 kgR=6 mF=12000 Ng=10 m/s2v=?

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.