2 A charge Q is transferred from an initially uncharged plastic ball to an identical ball 16cm away. The force of attraction is then 42.14 mN. How many electrons were transferred from one ball to the other? (Please answer in SI unit and multiply your answer by 10-¹2)

Q: The brakes are applied to a moving car, causing it to uniformly slow down. While slowing, it moves a…

A: Distance travelled (S) = 40.0 mFinal velocity (v) = 2.05 m/s Time (t) = 7.00 s

Q: Which of the following statements accurately defines density? Density is the force exerted on an…

A: Given data -   given statements are given below,                           (1) Density is the…

Q: Two masses, each weighing 4.30 kg and each with a charge of +6.80 μC, are placed 5.80 m away from…

A: Mass of each M = 4.30 kgCharge on each mass Q = 6.80 µC = 6.80 × 10-6 CDistance between the charges…

Q: Vector u = <-7,3,-5> and vector v = <-1,1,0>. Find the cross product of u X v.

A: The objective of the question is to find the cross product of two vectors u and v. The cross product…

Q: Refraction can change the diameter of a bundle of parallel rays in one dimension (in the plane of…

A:

Q: 1. Verify the statement that gravitational forces between two charges can be neglected compared to…

A: Given values:Gravitational constant Coulomb's constant..Charge of an electron is Mass of an electron…

Q: The nucleus of a 125 Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in…

A:

Q: Figure L. 2₁ + 5.0 cm 10 cm < 1 of 1 22 + 0- Submit X Incorrect; Try Again; Provide Feedback…

A:

Q: A loudspeaker has a circular opening with a radius of 0.08508 m. The electrical power needed to…

A: Radius of circular opening is Electrical power is Intensity of sound at the opening is Find:What…

Q: (d) In your notebook, draw the forces on q due to qar qb, qo and qd. Or use the result of of…

A:

Q: 1. The earth has a mass of 5.98 x 1024 kg and the moon has a mass of 7.35 x 1022 kg. The distance…

A:

Q: 1. In the figure below Q₁ (+ 3 μC), Q₂ (-6 μC) and Q3 (+ 2 μC). Q3 x=0 -F2-1 Q1 x=3cm The free body…

A:

Q: Vector v = &lt;1,1,0&gt; and vector w = &lt;-1,-1,sqrt2&gt;. Find a vector that is orthogonal to…

A: The objective of the question is to find a vector that is orthogonal (perpendicular) to both given…

Q: 2. A sound wave has a speed of 340 m/s in air. If the wave has a frequency of 185 Hz, what is its…

A:

Q: along straight wire carries a 1.0 a current what is the magnetic field 2.0 m away from the wire

A:

Q: Evidence exists that Mars may have had oceans 0.500 km deep in its early history. We don't know what…

A: The objective of the question is to calculate the highest pressure at the bottom of the oceans on…

Q: where is the 36 coming from?. I am confused.

A: Given data: force exerted by the two dust charged particles is according to the Coulomb's law,force…

Q: When an uncharged capacitor is connected  to a direct current voltage source and is in parallel to a…

A: For an RC circuit the equation for charging or discharging is represented by:V(t)=Voe−tRCWhere V(t)…

Q: A 100 kg person sits on a 5 kg bicycle. The weight is borne equally by the two wheels of the…

A:

Q: Questions: A group of students performed this lab and generated this graph of energy lost vs.…

A:

Q: If you drop an object from a height of 2.3 m, it will hit the ground in 0.68 s. If you throw a…

A: The objective of the question is to find out how long it will take for a baseball, thrown…

Q: The three point charges shown in the figure form an equilateral triangle with sides 4.9 cm long.…

A:

Q: First, a glass rod is brought to a charge of +14.7 nC. It is then brought to contact with a metal…

A:

Q: Vector v = &lt;1,1,0&gt; and vector w = &lt;-1,-1,sqrt2&gt;. What is the angle between v and w in…

A: The objective of this question is to find the angle between two vectors v and w. The vectors are…

Q: What are the (a) x and (b) y components of the vector that must be added to the following three…

A:

Q: A 6.7 kg block is lifted vertically by a force of 259 N. What is its acceleration? Assume g=9.81…

A:

Q: A soccer ball of mass 0.50 kg, initially at rest, is kicked by a force of magnitude 1200 N that…

A: The objective of the question is to find the velocity of the soccer ball after it has been kicked.…

Q: of 5 > Two 1.5 V batteries are connected in series with a 165.4 Ohm resistor. What is the current in…

A: There are two batteries connected in series.R = 165.4 ohm

Q: A potassium surface is illuminated by a monochromatic laser light with a wavelength of 400 nm.…

A:

Q: A metal bar 6.0 m long, clamped at its center and vibrating longitudinally in such a manner that it…

A:

Q: Problem 3-Conservation of angular momentum and physical pendulum A system is composed of a thin…

A: We need to explain the solution given for part b.M=1 kgL=1 mu=100 m/sv=50 m/sm=7 g=0.007 kg

Q: A child traveling 2 m/s on a sled passes her younger brother. If her average acceleration on the…

A:

Q: a 7.26kg bowling ball (16 pounds) is at rest at the end of a bowling lane. use this information to…

A: The objective of the question is to calculate the net force acting on the bowling ball in different…

Q: Scoutmaster Greg and his scout troop are working on their orienteering merit badge. They start at an…

A:

Q: 1. (a) What is the magnitude and direction of an electric field that exerts a 1.5-105 N upward force…

A:

Q: Earth R 0 Sun -X Determine the distance between the positions of the earth if the angle between its…

A:

Q: The master cylinder of a hydraulic lift has a radius of 2.00 cm and the second cylinder has a radius…

A: The objective of this question is to find the force that must be exerted on the master cylinder of a…

Q: A student drops an object out the window of the top floor of a high-rise dormitory. (a)…

A: An object drops from a certain height.Time taken by object to reach the ground level is There are…

Q: Three charges are arranged on a line. Select all true statements: a) If Q1 is positive, Q2 is…

A:

Q: Two neutral metal spheres, #1 and #2, are mounted on insulating supports. They are connected via a…

A: Two neutral metal spheres, #1 and #2, are mounted on insulating supports. They are connected via a…

Q: An electron enters an electric field with an initial velocity of 87286 m/s moving in the same…

A:

Q: 4.2 A thick disk is released from rest on an inclined platform without slipping. Given r'disk = rm,…

A: The radius of disk is r.The weight of disk is W.The angle of inclination is θ=30°.The free-body…

Q: The objective lens of a microscope is a planoconvex (flat on one side) lens that has a short focal…

A:

Q: Determination of components of the forces in equilibrium.

A:

Q: A proton is confined to moving in a one- dimensional box 0.2 nm wide. a) Determine the lowest…

A: For a proton that is confined to move in a one-dimensional box, find,(a) The lowest possible energy…

Q: Figure M V M+m V=0 Part B An experiment is done to compare the initial speed of bullets fired from…

A: Given:Mass of bob, M=10KgMass of 9 mm bullet, m=6gMass of 44-caliber bullet, m=12gMaximum angular…

Q: 1. What is the magntitude of the repulsive force between two pith balls that are 7.6 cm apart and…

A: The charges on the pith balls are q1 = q2 = - 33*10-9 C The distance between them is r = 7.6 cm =…

Q: 1. A certain lightning bolt moves 37 C of charge. How many fundamental units of charge is this?…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: A raft has dimensions of 6.1m by 3.7m and floats on fresh water. Cargo is loaded onto the raft and…

A:

Q: 22.32 [II] What must be the length of an iron rod that has the fundamental frequency 320 Hz when…

A:

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.