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Q9. Determine the distance between two protons at which the Coulomb potential equals the
Coulomb barrier of 200 keV.

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Now you have a nucleus with 17 protons at x = 2.3 Angstroms on the x-axis. What is the value of the electrostatic potential V at a point on the positive y-axis, at y = 7.4 Angstroms? 14.8 V 29.6 V -1.9 V 31.6 V
Now you have a nucleus with 13 protons at x = 7.5 Angstroms on the x-axis. What is the value of the electrostatic potential V at a point on the positive y-axis, at y = 6.2 Angstroms? Question 9 options: 16.9 V -2.3 V 19.2 V 6.8 V
If a 0.2 kg object (carrying a -250 μC) is released from rest 10 m from a 500 μC, what will be its speed when it is 0.3 m from this charge? A. 5,230 m/s B. 340 m/s C. 70 m/s D. 190 m/s
An electron (q = -e) completes half of a circular orbit of radius r arounda nucleus with Q = +3e, as shown.a. By how much does the electric potential energy change as the electron moves from i to f?b. Is the electron’s speed at f greater than, less than, or equal to its speed at i?
if a proton is placed at electric potential of -100v it will move a. up, when the 0 V reference potential is infinity on the left side b. down, when the 0 V reference potential is at infinity on left side c. left when the 0v reference potential is at infinity on the left side d. right, when the 0v reference potential is at infinity on the left side
6. An electron is fired at 5.2x107 m/s between two electric plates. If the plates are 6.0 cm in length, have a separation of 2.0 cm, and a potential difference of 500 V, calculate the deflection displacement as it travels through the gap between plates. parallel plates
1.2 nm 0 + 1.6 nm Proton V X 1.92 x 10³ T. out of the page 1.25 x 103 T. out of the page. 2.33 x 10-3 T, out of the page 8.33 x 10-3 T, out of the page 2.33 x 10-3 T, into the page 1.25 x 10-3 T, into the page 1.54 x 10-3 T, out of the page 8.33 x 10-3 T, into the page 1.92 x 10-3 T. into the page 1.54 x 10-3 T. into the page. Electron An electron and a proton are each moving at 4.80 x 105 m/s in perpendicular paths as shown in the figure. At the instant when they are at the positions shown in the figure, find the magnitude and direction of total magnetic field proton and electron produce at the origin. (e = 1.60 x 10-¹9 C)
Now you have a nucleus with 5 protons at x = 2.0 Angstroms on the x-axis. What is the value of the electrostatic potential V at a point on the positive y-axis, at y = 3.3 Angstroms? 7.2 V 14.3 V -4.4 V 18.6 V
Now you have a nucleus with 7 protons, placed at x = 6.5 Angstroms. What what TWO values of x (along the x-axis) will the total electrostatic potential V be equal to zero? 1.08 Angstroms and -0.81 Angstroms -0.54 Angstroms and 0.57 Angstroms 0.54 Angstroms and -0.57 Angstroms -1.08 Angstroms and 0.81 Angstroms
1.A parallel plate capacitor has square plates of side 8 cm and separated by a distance of 2 mm. (a) Calculate the capacitance of this capacitor. (b) If a 13 V battery is connected to the capacitor, what is the charge stored in any one of the plates? (The value of ɛo = 8.85 x 10-12 Nm2 C-2) 2.A beam of protons moves in a circle of radius 0.25 m. The beam moves perpendicular to a 0.30 T Magnetic field. (a) What is the speed of each proton? (b) Determine the magnitude of the centripetal force on each proton. The mass of a proton is mP = 1.67 x 10 27 kg and it has a charge of +e where e = 1.609x 10 19 C.