In an experiment, a positively charged oil -15 droplet weighing 6.5 ×10 N is held stationary by a vertical electric field as shown in the diagram. If the electric field strength is 5.3 ×10° N/C, what is the charge on the oil droplet?

In an experiment, a positively charged oil -15 droplet weighing 6.5 ×10 N is held stationary by a vertical electric field as shown in the diagram. If the electric field strength is 5.3 ×10° N/C, what is the charge on the oil droplet?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Point P sets above an infinite line of charge 2 m in the positive z direction. The line of charge itself has a charge density ? of -5.0 x 10⁶ C/m. What is the magnitude of the electric field at point P?
The classic Millikan oil drop experiment was the first to obtain an accurate measurement of the charge on an electron. In it, oil drops were suspended against gravity by a vertical electric field. Assume the oil drop to be 2.30 um in radius and have a density of 934 kg/m3. a) Find the weight of the drop. b) If the drop has a single excess electron, find the magnitude of the electric field strength needed to balance its weight.
A ring of charge is centered at the origin in the vertical direction. The ring has a charge density of 1 = 7.42 x 10* C/m and a radius of R = 1.87 cm. da Find the total electric field, E, of the ring at the point P= (1.56 m, 0.00 m). The Coulomb force constant is k = 1/(4xeg) = 8.99 × 10 N-m²/C². R dE E = N/C Find the expression for the electric field, E-, of the ring as the point P becomes very far from the ring (x » R) in terms of the radius R, the distance x, the total charge on the ring q, and the constant k = 1/(4x€n). E, =
A 5.4 g charged insulating ball hangs on a 0.85 cm long string in a uniform horizontal electric field as shown in the figure. Given the charge on the ball is 35 μC , find the strength of the field in N/C.
A horizontal insulating rod of length 6.8-cm and charge 19 nC is in a plane with a long straight vertical uniform line charge. The linear charge density of the long line charge is 3.3 10-7 C/m. What is the electric force on the rod if the end closest to the line charge is 2.0 cm away? Hint: the electric field from an infinitely long straight uniform line charge is E(r) = (2 k λ) /r .
An infinite sheet charge of has a charge density of +44.81 pC/m2 and covers the entire x-y plane. A second infinite sheet of charge has a charge density of −53.2 pC/m2 covers the entire y-z plane. What is the magnitude of the electric field at any point not on either surface?
An infinite sheet of charge with surface charge density o = -87 C/m? lives in the x-y plane. A thin rod of charge with length L = 13.0 cm is placed along the +z-axis that the end closest to the sheet is located a distance d = 2.0cm away from the sheet. When held at this position, the linear charge density of the rod can be described by K =az, where a = +35 nC/m. 1, What is the force F on the rod from the sheet? 2, Can you draw a picture to represent it?
A small plastic ball of mass m = 1.50 g is suspended by a string of length L = 17.0 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a ? = 17.0° angle with the vertical as indicated, what is the net charge on the ball? A ball of mass m is attached to a string of length L and suspended from the ceiling. The string makes an acute angle ? with the normal line from the ceiling, such that the string and ball are displaced to the right of the normal line. To the right of the string and ball, five parallel, evenly-spaced, identical arrows point to the right. The arrows are vertically stacked and labeled with E = 1.00 ✕ 103 N/C. To the left of the string and ball, x y-coordinate axes demonstrate that the +x-axis points to the right and the +y-axis points up.
Task #2: Two charged objects (X and Y) are placed at a distance of 0.40 m from each other. The charge on X is 3.83 x 10* C and the charge on Y is 4.43 x 10° C. What is the value of the electrostatic force (in Newtons) between the two objects? Step 1. List all the measurements given: Q,- pC ,Q- µC , d= cm, k=9.0x 10°Nm/C Step 2: Substitute : F Step 3 Use Coulomb's Electrostatic Force Calculator. To get the final answer F =( 9.0x 10°NM/C²)( µC)( µC) 7 ( cm) elect elect
In the figure the four particles form a square of edge length a = 5.00 cm and have charges q1 = 9.04 nC, q2 = -21.0 nC, 93 = 21.0 nC, and 94 = -9.04 nC. What is the magnitude of the net electric field produced by the particles at the square's center?
Three charged particles are at the corners of an equilateral triangle as shown in the figure below. (Let q = 2.00 µC, and L = 0.400 m.) Calculate the electric field at the position of charge q due to the 7.00-µC and −4.00-µC charges.
Two long, charged, thin-walled, concentric cylindrical shells have radii of 2.5 and 4.0 cm. The charge per unit length is 6.9 × 106 C/m on the inner shell and -9.7 x 10-6 C/m on the outer shell. What are the (a) magnitude E and (b) direction (radially inward or outward) of the electric field at radial distance r = 3.5 cm? What are (c) E and (d) the direction at r = 6.5 cm? (a) Number i Units (b) (c) Number Units (d) >