Two particles are both negatively charged. They repel each other with a force of Two particles are both negatively charged. They repel each other with a force of 1.5 x10^-4N when they are 30cm apart. What is the magnitude of the force of repulsion when the distance between them is reduced to one-half? A. 6.4 x10^-4 N B. 6.0 x10^-4 N C 46.0 x10^-4 N D 4.6 x10^-4N

Q: 2. In the circuit diagram shown on the right, find the currents through each of ww the three resisto...

A:

Q: A certain kind of glass has an index of refraction of 1.650 for blue light of wavelength 440 nm and ...

A:

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the...

A:

Q: 1. Any motion of a body where gravity is the only force acting upon it. A. One dimensional motion B....

A:

Q: You have been called to testify as an expert witness in a trial involving a head-on collision. Car A...

A:

Q: The graph in the figure shows the variation of the electric potential V (meass the largest? O from T...

A: We need to tell in which region is the magnitude of electric field the largest.

Q: CHECK YOUR UNDERSTANDING 1. Based on the electromagnetic spectrum, which EM wave has the shortest wa...

A:

Q: 2. The following endothermic reaction is allowed to reach equilibrium. NH+HS (s) = NH3 ) + H2S (g) W...

A: Introduction Le Chatelier's principle states that if a dynamic equilibrium is disturbed by changin...

Q: HECK F U4 26 If vector B is added to vector A, which two of the following choices must be true for t...

A:

Q: A 50 N book is sitting flat on a table . The surface area of the book is 0.057m ^ 2 . What is the pr...

A:

Q: A graph of force versus time is given below. This force acts upon a mass of 3.60 kg. Part A In the f...

A:

Q: A proton is acted on by an uniform electric field of magnitude 363 N/C pointing in the negative y di...

A:  As per our guidelines we will solve first three subparts for you. To get remaining subparts solved ...

Q: The box has a mass m = 11.2 kg and was lowered a height h = 41.7 cm. While the box was moving, the g...

A: Given: m = 11.2 kg h = 41.7 cm = 0.417 m

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as ...

A: Given in question : Forces by teams are -                                                           ...

Q: If capacitors are also used to store energy, what makes it different to batteries? When do we often ...

A:

Q: You launch a projectile with an initial speed of 59.4 m/s from the top of a building 26.1 m above th...

A:

Q: Area A Calculate the electric flux through the rectangle of sides 5 cm and 10 cm kept in the region ...

A: Given Sides of the rectangle are a=5 cm=0.05 m and b=10 cm=0.10 m Magnitude of the electric field is...

Q: A 35.0-kg child swings in a swing supported by two chains, each 3.02 m long. The tension in each cha...

A:

Q: A parallel plate air capacitor has a capacitance of 5.00 F. What is the capacitance if a dielectric ...

A: The capacitance of the parallel plate capacitor is given as                            Co = ∈oAd Whe...

Q: Find a function that models the simple harmonic motion having the given properties. Assume that the ...

A: Displacement is maximum when t=0 Amplitude A=45 cm Time period T=4 s To find: Function that models t...

Q: A very strong, but inept, shot putter puts the shot (ball) straight up vertically with an initial ve...

A:

Q: the volume of an ideal gas is kept constant, raising the temperature of the gas will also increase t...

A: Charles law : at constant volume the pressure of a gas directly proportional to temperature       

Q: The spring is now compressed so that the unconstrained er x = L. Using the work integral

A: We know that the formula of the spring force is given as  F = -kx where k is the spring constant. x ...

Q: According to Coulomb’s law, a pair of particles that are placed twice as far apart will experience f...

A: Coulomb’s law states that electro static force between two charges is directly proportional to produ...

Q: What is charging by induction and how does it occur? 2. How can the results of charging by inductio...

A:

Q: Point charges of 30.0 µC and 35.0 µC are placed 0.550 m apart. (a) At what point (in m) along the ...

A:

Q: A 175 g lump of molten lead at its melting point (327 C) is placed into 55.0 g of water at 20.0°C. T...

A: There is a typo, the specific heat of lead should be 0.130 J/g.oC. Given(s): Mass of water, m1=55.0...

Q: Juleon apply a constant force F= - 68N i + 36N j to a 380 kg car as the car travels 48.0 m in a dire...

A:

Q: 1) When representing a velocity vector,  A. The length of the arrow represents the speed of the vect...

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

Q: In order to double the kinetic energy, the speed should be

A: To discuss that in order to double the kinetic energy, the speed should be increased by which factor...

Q: The planet Venus orbits the Sun in periodic motion (as yearly motion) and simultaneously spins about...

A:

Q: Activity 2: Let’s Solve! Equipotential surfaces and their relation to the electric field 3. A spark...

A:

Q: reenland ice sheet is thought to affect (or be affected by) climate in the North Atlantic and Europe...

A: We know that the formula  heat required by the to melt the ice is given as  Q= mL  Where Q is the he...

Q: Consider the circuit diagram given below.    where V1 = 112 V and R1 = 7.20 Ω. Find the unknown emf ...

A:

Q: 11. The path followed by a projectile motion is called? A. Linear path B. Trajectory 12. It is a bra...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: The number of electrons flowing in an electric lamp every 3.5 seconds is 3.125x10^19 e-. What is the...

A:

Q: A massless spring of constant 40N/m is attached vertically to a table. A 5-g balloon is filled with ...

A:

Q: Two point charges q1 and q2 are 3.10 m apart, and their total charge is 18 µC. Note that you may nee...

A:

Q: A spring of force constant 300.0 N/m and unstretched length 0.220 m is stretched by two forces, pull...

A: The work done to stretch the spring is equal to the elastic potential energy stored in the spring. T...

Q: You start out by driving 82 miles north in 4 hours and 36 minutes, and then you stop and park for a ...

A:

Q: 2. Find (a) the horizontal components and (b) the vertical components of the resultant electric forc...

A:    

Q: In the ever popular game from the future, Electrodisc, players can score double points by pushing a ...

A: Given: q1=1.3 mC = 1.3*10-3  C q2=1.7 mC = 1.7*10-3  C q3 = 0 r12 = 3.7m r23=10m

Q: If a bar magnet is dropped through a conducting loop with its South pole downward as shown in the fi...

A: Given data If a bar magnet is dropped through a conducting loop with its South pole downward as show...

Q: a) On a lightweight (air filled) banana boat, three people of all different masses sit along the x-a...

A:

Q: 5. Differentiate the relationship of electric potential to each of the following concepts: A. Potent...

A:

Q: per meter and spring B has a spring constant of potential energy stored in spring A, the elastic 280...

A:

Q: What will the reactions R1, R2 & R3 equal, given the loading and the dimensions of the frame below a...

A:

Q: Activity 2: Let’s Solve! Equipotential surfaces and their relation to the electric field  2. An equ...

A:

Q: A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium ...

A:

Q: A certain battery with potential difference of 2 Volts can deliver 10 Joules of energy, determine th...

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.