A point charge for which Q = 5x10-16 C and m = 2× 10-26 kg is moving in the combined fields E = 100ax – 300ay + 200az V/m and B = -ax + 2ay – 3az mT. If the charge velocity at t = 0 is v(0) = (4ax vector showing the direction in which the charge is accelerating at t = 0; (b) using the electric field intensity what is the force at t=0, (c) using magnetic flux density what force is produce at t = 0. %3D 3ay – 2az)10³ m/s (a) give the unit
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- A test charge of +1.9 uC is placed halfway between a charge of +4.6 µC and another of +7.4 µC separated by 14 cm. What is the magnitude of the force on the test charge?Which of the particles as shwon has the greatest mass, assuming all have identical charges and velocities?In Millikan’s experiment, an oil drop of radius 1.64 mm and density 0.851 g/cm3 is suspended in chamber C when a downward electric field of 1.92 * 10^5 N/C is applied. Find the charge on the drop, in terms of e.
- Based on diagrams in Fig. 2, identify which particle reach the plate first after travelling based on their respective charges and directions. Assuming charge of 1e = 1.6 × 10-19 C, mass of electron 9.1 × 10-31 kilograms and distance between plate for both cases E1 and E2 is 500 cm.A charge of 20 μC is 4 cm above an unknown charge q. The resultant electric intensity at a point 1cm above the 20 μC is 2.20x109 N/C and is directed upwards. What are the magnitude and sign of the unknown charge?(a) The electrostatic force (not energy) of attraction betweentwo oppositely charged objects is given by the equationF = k1Q1Q2>d22 where k = 8.99 * 109 N@m2>C2, Q1 andQ2 are the charges of the two objects in Coulombs, and d isthe distance separating the two objects in meters. What isthe electrostatic force of attraction (in Newtons) between anelectron and a proton that are separated by 1.00 * 102 pm?(b) The force of gravity acting between two objects is givenby the equation F = G1m1m2>d22, where G is the gravitationalconstant, G = 6.674 * 10-11N-m2/kg2, m1 and m2 arethe masses of the two objects, and d is the distance separatingthem. What is the gravitational force of attraction (inNewtons) between the electron and proton? (c) How manytimes larger is the electrostatic force of attraction?
- A charge of +8q is placed near to a charge of -5q. The charge +8q feels a force of F due to the other charge. In terms of multiples of F, what is the size of the force felt by the -5q charge?The force on a particular test charge is 484 pN. If you move the test charge so it is now two times further away than it was, but it now has double the amount of charge, what is the magnitude of the electrostatic force on the test charge now?Suppose we have a charge, q1=3 μC. This charge makes an electric field some distance r=69 cm away from it. Now suppose our measurement of q1 is only accurate to within 0.1 μC, and our measurement of r is only accurate to within 1 cm. a)If we were to calculate the electric field made by that charge at the indicated distance, what would be the uncertainty in our calculation due only to the uncertainty in the size of q1? b)What is the uncertainty in our field calculation due only to the uncertainty in the charge separation r? c)What is the total uncertainty in our electric field calculation due to the uncertainty in the size of q1 and the uncertainty in the charge separation r?
- Suppose we have a charge, q1=1 μC. This charge makes an electric field some distance r=73 cm away from it. Now suppose our measurement of q1 is only accurate to within 0.2 μC, and our measurement of r is only accurate to within 1.5 cm. What is the uncertainty in our field calculation due only to the uncertainty in the charge separation r? Every time I do this calculation I get a different number all of which have been wrong. I have gotten 694.06, 693.097, 46.2, .69405, and 71.56. Can you please help me with this?A hydrogen atom is located close to the surfsce of the earth. a) What is the ratio of the magnitude of the electric force between the electron and proton compared to the magnitude of the gravitational attraction between the electron and proton compared to the magnitude of the gravitational attraction between the electron and the earth? (This is how many times greater the electric force is in this situation) b) Draw a conclusion about the stability of matter. (How come gravity doesn't pull molecules apart?) c) Why is the gravitational force between the Earth and Moon greater than the electric force? (Since all matter is made of protons and electrons, why isn't electric force always greater?)A point charge for which Q = 4.2 × 10-16 C and m = 2.5 x 10-26 kg is moving in the combined fields E = 250ax + 115ay - 230a, V/m and B = 2ax - ay - 3a, mT. If the charge velocity at t = 0 is v(0) = (2ax + 4ay +3az) × 105 m/s: %3D give the unit vector showing the direction in which the charge is accelerating at t = 0. find the kinetic energy of the charge at t = 0. Answers: a. Blank 1ax + Blank 2ay + Blank 3 az b. Blank 4 fJ