A charged cork ball of mass 1.2g is suspended from a very light thread in a uniform electric field. As seen in the figure, when E = (3.2i + 2.3j)×10SN/C, the ball is in equilibrium at e = 25°. determine the charge (in nC) on the cork ball with two decimals
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- Two point charges are placed on the x-axis, +5.00 μC at the origin and -10.0 μC at x = 10.0 cm. (a) Find the electric field (magnitude and direction) on the x-axis at x = 6.00 cm.(b) : Draw a diagram and label the electric field vectors, including the net field vector, at point x = 6.00 cm. (Do not submit anything for part (b) on MasteringPhysics.)(c) Find the potential at x = 6.00 cm. k = 9.0 × 109 N ∙ m2/C2Two point charges of 7.15 x 10^-9 C are situated in a Cartesian coordinate system. One charge is at the origin while the other is at (0.5, 0) m. What is the magnitude of the net electric field at the location (0, 0.75) m?A charged cork ball of mass 1.10 g is suspended on a light string in the presence of a uniform electric field as shown in the figure below. When E = (2.80 î + 5.20 ĵ) ✕ 105 N/C, the ball is in equilibrium at θ = 37.0°. Find the charge on the ball.
- I need help with part b, please! Point charges of 30.0 µC and 45.0 µC are placed 0.650 m apart. (a) At what point (in m) along the line between them is the electric field zero? ANSWER: 0.292 m away from the 30.0 µC charge (b) What (in N/C) is the electric field halfway between them? (Enter the magnitude.) ______N/CTwo charges lie in a line along the x axis. Charge 1 is q1 = 1.1 C and charge 2 is q2 = 2.15 C. They are each a distance of d = 0.093 m from the origin. What is the distance on the x-axis from the origin at which the electric field will be zero. Give your answer in meters.Three point charges are shown below. q₁ = 2.0 µC, q2 = 4.0 µC, and q3 = - 2.0 µC. d₁ = 20 cm and d2 = 10 cm. What is the magnitude of the net electric force on q2, in Newtons? Use K = 9.0 × 10⁹ Nm²/C². Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 91 + d 92 + -d₂ 93
- Three identical charges (q = -7.0 μC) lie along a circle of radius 3.9 m at angles of 30°, 150°, and 270°, as shown in the figure below. What is the resultant electric field at the center of the circle? 9 N/C 270° 150° 30°The point charges in the figure below are located at the corners of an equilateral triangle 25.0 cm on a side, where q, = +19.0 µC and q. = -5.70 µC. (Assume that the +x-axis is directed to the right.) la (a) Find the electric field at the location of q.. magnitude N/C direction ° (counterclockwise from the +x-axis) (b) What is the force on given that 9a = +1.50 nC? magnitude N direction (counterclockwise from the +x-axis)A 4.1 MC point charge is placed on the x-axis at the point X₁ = -22.5m. A second, 2.7-MC point Charge is placed on the x-axis at the point X₂ = 10.3m. What is the x-component of the net electric field (in N/C) at the origin? (Remember that vector components can be positive or negative) N/C
- Given the two charged particles shown in the figure below, find the electric field at the origin. (Let q₁ = -30.00 nC and 92 = 9.00 nC. Express your answer in vector form.) N/C E = -4 92 -2 y (cm) 4 2 -2 -4 2 4 91 x (cm)A small plastic ball of mass m = 1.00 g is suspended by a string of length L = 24.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a 8 = 18.0° angle with the vertical as indicated, what is the net charge on the ball? HC LA E=1.00 x 10³ N/C L ● 171 iPoint charges are placed at the four corners of a rectangle as shown below: q1 = 2.5 ✕ 10−6 C, q2 = −2.5 ✕ 10−6 C, q3 = 4.2 ✕ 10−6 C, and q4 = 1.7 ✕ 10−6 C. What is the electric field at P (in N/C)? (Express your answer in vector form. Assume that the +x-axis is to the right and the +y-axis is up along the page.) E = ________ N/C