The force between a charge of 25 uC and a charge of -10 uC is 8.0N. What is the separation between the two charges?
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The force between a charge of 25 uC and a charge of -10 uC is 8.0N. What is the separation between the two charges?
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- only 7 and 8Coulomb’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?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?What is the charge of an electric field 0.40 m away from a source charge of 3.00 X 10^-5C?The three charge configurations are shown in the figure. For the values of q1=3.5uC, q2=-3.5 MC and q3=5 uC. The Forces of the three charges is calculated at q3. (Note:u=micro= 10^-6, If q3 has the mass of 10 grams, what will be the initial acceleration of q3 in m/s^2, due to q1 and q2?
- A negative charge of 0.00070C and a positive charge of 0.00033C are separated by 0.25 m. What is the force between the two charges?In 1909, Robert Millikan and Harvey Fletcher designed an experiment to measure the electric charge of oil droplets by dropping them through an electric field, increasing the electric field strength until the droplets were suspended in the air. By repeating the experiment for many droplets, they confirmed that the charges were all small integer multiples of a certain base value, and thus they measured the charge of a single electron. In Millikan's experiment in the figure below, an oil droplet of mass 3.18 fg has an excess charge of five electrons. An electric field has been applied, and the droplet is levitating. What is the magnitude of the electric field? (Units: N/C) Note: 1??=10−15?=10−18??