2. Two charges Q1 and –Q2 are separated by a distance r. The charges attract each other with a force F. What is the new force between the charges if the distance is tripled? Q1 F -Q2 F r 1/4F O 16F 1/9F O 1/2F O 2F

Q: The width of a spectral line of wavelength 300 nm is measured as 0.01 nm. What is the average time…

A:

Q: 3. The measurements for one sine wave of water are showed below. Find the period T, wavelength 2,…

A: Time Period T - It is defined as the time taken by the sine wave to complete one full oscillation or…

Q: What is the total surface charge density on the interface of the two materials? A B

A: Given data, Voltage=V Two capacitors connected in series.

Q: An electron is placed inside a uniform magnetic field of magnitude 5 T. If the electron is suddenly…

A: Given Part-1: (i) Strength of magnetic field = 5 T Speed of electron = 1 m/s parallel to the…

Q: A player throws a ball with mass of 100 grams at an initial velocity vo = 25 m/s with an angle 8 =…

A: 1. Using conservation of Total Mechanical Energy is the most appropriate method to be used for…

Q: Supplement 1. What force is' needed to accelerate a child on a sled -(total mass = A grocery sack…

A:

Q: Two small plastic spheres are given positive electrical charges. When they are 19.0 cm apart, the…

A:

Q: Directions: Complete the statement below. Supply the right word on the space provided. Choose your…

A: Answer:-  (1) potential difference, Total voltage Emf is the potential difference in the battery…

Q: The National High Magnetic Field Laboratory once held the world record for creating the strongest…

A: Given data: Magnetic field B=45T Mass of odium ions m=3.8×10-26 kg Speed of the blood v=55 cm/s

Q: 48. You are working with the formula V = ²h. You are given values of r= 1.00 ft and h = 2.00 ft.…

A: Detailed solution of given question is given in below steps.

Q: What is wave? What is the difference between wave motion and particle in motion? What are the…

A: The wave is the transfer of energy that causes disturbance in the medium without transferring…

Q: An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is…

A: An object is considered to be under pressure when it is subjected to physical force. Each unit of…

Q: A point charge of 10C moves with a uniform velocity of u = (3.8-42) m/s in an electromagnetic field…

A: In the given question, Charge (q) = 10C uniform velocity (u) =( 3x^ -4z^ )m/s Electric field (E) =…

Q: A magnetic field is perpendicular to and pointing out of a closed loop of wire that you can imagine…

A:

Q: 6. A smooth wooden block is placed on a smooth wooden tabletop. You must exert a 14.0N force to keep…

A: Given value--- applied force = 14 N. weight of block = 40 N. weight of brick = 20 N. We have to…

Q: 9H atudent atachos a muss of 6.5ng to one end of a rope. The Studente then Swings the maso ina…

A: 9 Given  Mass m=0.5kg Radius r=1m Tangential speed v=4m/s

Q: On the mdss 2./What centripetal force is naeded to keep a 12-kg mass mouiny at a Constant speed of…

A: Part (2): Given: The mass of the object is 2 kg. The speed of the object is 4 m/s.

Q: kg A certain liquid with density p= 824 is in an enclosed horizontal tube with varying cross- m³…

A:

Q: 13-5. The reason that massive neutrinos were considered as a candidate for solving the miss- ing…

A: 5) The density of photons and neutrinos is 500 photons/cm3. It is required to find the individual…

Q: What is the size of adjustment factor a speed of 50% of the speed of light. If one travels with this…

A: Given:  Speed of the person = 50% speed of light = c/2  Trip time on earth = 20 years

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N m2 /C2. Vacuum…

A:

Q: In the figure we see a rod of length LA = 22 cm carries a charge QA = 22 nC and a circular arc of…

A:

Q: 2. Explain the electric flux of the previous number if there is an additional external positive…

A: 2) According to the Gauss law, the electric flux via a gaussian surface can be given as, Here, Q…

Q: A car traveling with a constant speed of 30.0 mph (miles per hour) on a section of road that is a…

A:

Q: A quantum system has three energy levels, so three wavelengths appear in its emission spectrum. The…

A: Given The shortest observed wavelength is λ0 = 263 nm = 263 x 10-9 m. Second observed wavelength is…

Q: 2. A man 5 foot tall is walking towards a wall at the rate of 3ft/sec. A spotlight is installed on…

A:

Q: A 2 millicoulomb positive charge is located in vacuum at P₁ (3,-2,-4) and a 5 microcoulomb negative…

A: Given, A 2 millicoulomb positive charge is located in vacuum at P1(3,-2,-4) and a 5 microcoulomb…

Q: A https://openstax.org/books/university-physics-volume-1/pages/6-problems < University Physics…

A: Given: The mass of the block-1 is 2 kg. The mass of the block-2 is 4 kg.

Q: A spaceship is traveling through deep space towards a space station and needs to make a course…

A: first leg of motion (A→) = 1.7×106 km , towards east +x axissecond leg of motion (B→) = 1.3×106 km ,…

Q: A ball of mass 50 kg rolls along a smooth horizontal surface with a velocity of 14 m/s. The ball…

A: given that,mass of a ball m=50 kgvelocity v=14mswhen a ball is rolling,rotational velovity: u=ωR

Q: An astronaut with a mass kg aveis to Planet Y280, Which nas radius n and mass IM1. has a weight of…

A: The question is from Gravitation. Acceleration due to gravity is inversly proportional to square of…

Q: In an adventure park ride, people are strapped in a small cage that is whirled in a vertical circle…

A: Given that: Mass of the cage, m=250 kgRadius of the circle, r=8.0 mθ= 30 ° with vertical We need to…

Q: The two wires shown in the figure below are separated by d = 12.1 cm and carry currents of I = 5.15…

A: Solution-

Q: What is the total surface charge density on the interface of the two materials? A B

A: Given:  Two capacitors in series connection with battery.  Voltage of battery = V We have to find…

Q: b3 ら, om a pont cad of a distamce of b,,bz, bz plaed are Three loes insede the Conductor, Calculat…

A: Electric Potential inside the conducting sphere remains constant as the Electric field inside the…

Q: II Revie (Figure 1) shows history graphs of two different points on a string as a wave pulse moves…

A: Given: x1=-3.0cm t1=5s x2=1.0cm t2=0s