2. Solve for the magnitude of the electric field of a point charge (straight line) given: 91 = +45µC 92 = -23 µC q3 = +41 Mc %3D %3D Solve for the magnitude of the electric field on the point charge next to qa if each point charges are separated by 0.89 m apart. Don't forget to draw a free-body diagram.

Q: Fill in the blanks with the missing items. Refer to the periodic table of elements The first one ser...

A: We use the properties: Atomic number = no of electrons Atomic mass = no. of protons + no. of neutron...

Q: In the circuit shown in the figure. R1 = 10 0. R2- 120, R3- 200, V1-1.0v, V2=7.0V, and the batteries...

A:

Q: Find the resultant. 400 N F2 F, 300 N 13 30° 60° 12 F;= 150 N F, = 260 N 119.4 N, 84 deg 20 N, 18.4 ...

A:

Q: A uniform, solid cylinder of mass m. = 5.46 kg and radius R= 0.34 m with Iem = MR² is attached at it...

A: Given -- Mass of cylinder ,mc = 5.46 kg  Radius of cylinder ,R = 0.34 m  Moment of Inertia ,ICM  = (...

Q: t. Pc h Pfi

A: Given:- ρc= density of cube ρfl= density of fluid L= length of the cube Volume of the cube= Vc= L3 V...

Q: State whether the frequency of a wave will increase, decrease, or remain unchanged as perceived by a...

A: Let speed of sound be given by v, speed of medium by vm, speed of observer by vL and speed of source...

Q: A positron with kinetic energy 2.90 keV is projected into a uniform magnetic field of magnitude 0.11...

A: Given value--- kinetic energy = 2.9 MeV. magnetic field = 0.110 T. angle = 86 degree . We have to ...

Q: "In heating 250 cubic cm of water, you place an electric element in the cup. As the water temperatur...

A:

Q: CeLAumb's Two charges, Q =-9.8 x 104C and Q2 exert a total force of 603N in the +x direction on a th...

A:

Q: An extendible pipe is open at both ends. A speaker can be found a short distance from one end. The s...

A: Part 1) Fundamental frequency of an open organ pipe is given by, f = v/2L Where, f is the frequency,...

Q: The current in a series circuit is 21.2 A. When an additional 7.38-Ω resistor is inserted in series,...

A:

Q: block A supporting another block B is pulled along a rough horizontal plane by a horizontal force P....

A:

Q: Kieran measures the magnetic field of an electron beam. The beam strength is such that 2.20 × 1011 e...

A:

Q: What will be acceleration of a body of mass 7 kg if a force of 420 N is applied to if ?

A:

Q: A wheel with a tire mounted on it rotates at the constant rate of 2.85 revolutions per second. A tac...

A: Given: The angular speed of the tire is 2.85 rev/s. The distance of the tack from the center of the ...

Q: Three resistors of resistance 2 Ω, 3 Ω, and 5 Ω are connected in series to a 20-V source. What is th...

A:

Q: A cylinder contains 0.100 mol of an ideal monatomic gas. Initially ,the gas is at a pressure of 1.00...

A:

Q: In the figure, block A (mass 1.4 kg) slides into block B (mass 2.0 kg), along a frictionless surface...

A:

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.3 m a...

A:

Q: ! ?! The Fermi level is only defined at absolute zero * O True O False Others

A: Fermi energy is an energy difference but Fermi level is a total energy level including kinetic energ...

Q: Two similar point charges are placed along the x-axis equidistant from the origin at ± ?. Given the ...

A: We  know  electric field lines originate  from positive charge and end at negative charge .   In giv...

Q: A certain planet has a radius of 7680 km and turns around once on its axis in 2 days. What is the ra...

A: The radial acceleration of a body in circular motion about a point is given by ar = rω2, where r = t...

Q: 12–95. The basketball passed through the hoop even though it barely cleared the hands of the player ...

A:

Q: An astronaut with a mass of m = 72.1 kg uses the Body Mass Measuring Device on the International Spa...

A: To solve the given problem, we will use the formulas for the spring-mass system. Given: The mass of...

Q: A mixture of blue light (wavelength of 400 nm) and red light (wavelength of 630 nm) falls on a (tran...

A:

Q: each pulse produced by an argon-fluoride excimer laser used in PRK and LASIK ophthalmic surgery last...

A: Power = Energy/time

Q: A solid, uniform, spherical boulder (I=(2/5) MR2) starts from rest and rolls down a 75.0 [m] hill, a...

A:

Q: *12–4. A particle travels along a straight line with a constant acceleration. When s = 4 ft, v = 3 f...

A:

Q: Two ships of equal mass are 101 m apart. What is the acceleration of either ship due to the gravitat...

A:

Q: A cast is maving st raight "sread at on 2 g mis :It s accelvest oited What woi he be. its Vebordy tr...

A: Given : Initial velocity, u = 9 m/s  Acceleration, a = 7 m/s2 Time, t = 4 s Find : Velocity after 4 ...

Q: Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 11...

A:

Q: A ray of light is reflected from two plane mirror surfaces as shown in the figure. What are the corr...

A: Using the laws of reflection i.e. the angle of incident(i)= angle of reflection; we will answer the ...

Q: A 29-gg rifle bullet traveling 230 m/sm/s embeds itself in a 3.3-kgkg pendulum hanging on a 3.0-mm-l...

A:

Q: Ignoring friction, If an equal force is applied to a 20 kg box and a 2 kg box, the acceleration of t...

A: Given that:- An equal force is applied on both box.

Q: An ornithologist weighs a bird bone in air and in water to find the bone’s density.  The mass of bo...

A: Given that:- Mass of bone in air=25g

Q: It takes 1 volt of electrical pressure to push 1 ampere of electrical current through 2 ohms of resi...

A: Voltage or emf is the electric pressure needed to move charge between two points. Voltage is given b...

Q: alculate the total force exerted by the atmosphere on a rectangular table top that measures 1.6 m x ...

A:

Q: Two blocks are connected by a cord running over a pulley. Ignore the mass of the cord and pulley and...

A: FBD equation of A in y-direction:- mAg - T = mAa FBD equation of B in y-direction:- T - mBg = mBa So...

Q: A square loop of wire of side 1.80 cm carries 6.00 A of current. A uniform magnetic field of magnitu...

A: Given value--- side = 1.8 cm. current = 6 Amp. magnetic field = 0.71 T. angle = 37 degree. We have...

Q: The average distance between the surface of the earth and the surface of the sun is 1.49 × 1011 m. H...

A:

Q: A long straight wire carries a current of 1 A. (a) At what distance from the wire is the magnitude o...

A:

Q: A parallel plate capacitor has a cross-sectional area A = 2 cm2 and a distance between the plates d ...

A:

Q: Consider several pots with equal amounts of boiling water in them. Each pot is heated by an 850°C el...

A: Solution: Given: Only those constants are given which we need to solve the problem. All pots have sa...

Q: Consider a silicon pn junction at T = 300 K with an acceptor doping concentration (1 x 101cm-3) and ...

A: Write the expression for the built-in potential barrier. Here, k represents the Boltzmann constant,...

Q: Water flows through a hose of diameter 2.50 cm at a speed of 535 cm/s. Find the flow rate Q of the h...

A: Given value--- diameter = 2.5 cm. speed = 535 cm/d. We have to find--- flow rate ?

Q: pushes

A:

Q: The orbit of a 1.5 x 1010 kg comet around the Sun is elliptical, with an aphelion distance of 11.0 A...

A: Given: Mass of comet, m=1.5 x 1010 kg  The orbit of a comet around the Sun is elliptical , with an A...

Q: R, E2 A E I=Ø %3D B R. 6. Using Kirchhoff's rules, calculate the current in each branch of the circu...

A:

Q: The velocities of the particles at an instant are VA = 5m/s and VB = 7m/s, with the angle between th...

A:

Q: Which of the following statements for a capacitor is TRUE? A. A capacitor is an active device. B. Th...

A: To determine:  The correct properties of capacitor.

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.