What is the dimension of the dipole moment? a) [I L T] b) [I L T-1] c) [I L2 T] d) [I T]
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What is the dimension of the dipole moment?
a) [I L T]
b) [I L T-1]
c) [I L2 T]
d) [I T]
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- An electron is orbiting a nucleus which has a charge of 14e, under the action of the Coulomb force at a radius of 1.14 × 10-¹0 m. Calculate the angular velocity of the electron, in radians per second. @=||QUESTION 32 In a version of Millikan's experiment, an oil droplet is released and when it has travelled a distance d1, the electric field is switched on with a magnitude such that at distance dɔ the droplet velocity has been reduced to zero. Calculate the charge on the droplet. Give you answer in equivalent charge of how many electrons. Distance d1: 0.07 m Distance between plates: 0 1 m Distance d2 - d1: 0.012m mass of droplet 3.65x10 16 Kg Voltage difference: 332.1037138 10 'n 本 Click Save amd Submit to save and submit. Click Save All Answers to save all answers. 6°C Clou O11. Using the symmetry of the arrangement, determine the direction of the force on +q in the figure below, given that: Casel. 9a = b = +6.5 μC and qc = 9d = +6.5 μC. qa O qc = (a) In your notebook, draw the forces on q due to da, 9 9c, and qd. (b) Due to symmetry the direction of the net force is O qd N Fnet Case II. 9₂=% = +6.5 µC and qc =%d = -6.5 µC. Hint: For each force draw the x and y components. Some will add and some will cancel. (c) Calculate the magnitude of the force on the charge q, given that the square is 10.0 cm on a side and q = 1.8 μC. X
- 2Current Attempt in Progress Two very small spheres are initially neutral and separated by a distance of 0.566 m. Suppose that 8.14 x 1013 electrons are removed from one sphere and placed on the other. (a) What is the magnitude of the electrostatic force that acts on each sphere? (b) is the force attractive or repulsive? (a) Number (b) The force is i e Textbook and Media Save for Later Units Attempts: 0 of 6 used Submit AnsweYou have a sample of lithium metal that is electrically neutral. What is the approximate ratio of the mass of each positively charged particle in your lithium sample to each negatively charged particle in your lithium sample? O About 3:1 O About 14000:1 O About 7:1 O About 1000:1 O About 1.0e19:1 O About 1:13Coulomb’s law tells us that the electrostatic force between two charged objects can be calculated by: ?= ??1?2/?^2Where k is a constant with a value of 8.99x109 Nm2/C2; ?1 and ?2 are the charges of the two particles (1.602x10-19 C), and r is the distance between the two particles. The force is attractive if the charges of the two particles is opposite (one’s positive and one’s negative) and repulsive if the charges have the same charge (both positive or both negative). Calculate the electrostatic force on proton #1 from the other two protons.Will the gravitational force between the protons be attractive or repulsive? What about the electrostatic force? Which has the larger magnitude, the electrostatic force or the gravitational force? Can the electrostatic and gravitational forces alone create a stable Lithium nucleus?Consider the setup shown in the figure. -Q Z >> S -q +q + 1 Determine the force exerted by -Q on the dipole. Choose the correct expression for the force. + sign is along the positive x-direction. 1. + k 2. + k 3. + k 4. - k × 6. - k 2 qs Q 23 2 qs Q 22 8. - k qs Q 22 5. + k 9sQ 23 2 qs Q 22 2 qs Q 23 7. - k 98 Q 23 qs Q 223) Skid Infinite Black Pit Mitch Skid of 40 kg and Mitch of 60 kg are standing on ice on opposite sides of an infinite black pit. They are each carrying neutral massless spheres while standing 8 m apart. Suppose that 3.0 x 10¹5 electrons are removed from one sphere and placed on the other. (a) Calculate the magnitude of the electrostatic force on each sphere. Are the forces the same or different? Explain. (b) Calculate the magnitude of the accelerations for Skid and Mitch at the moment they are 8 m apart. Are they the same or different? Explain. (c) As Skid and Mitch move closer together do their accelerations increase, decrease, or remain the same? Explain.Find the force of electrical attraction between a proton and an electron that are 8.7 x 10-11 m apart. Compare this to the gravitational force between these particles. N Need Help? Read It Talk to a Tutor O vA 11:44 esc DII %23 $ & backspace 1 2 3 4 6 8 tab e t y a f enter shift V n m shift alt alt str)SEE MORE QUESTIONS