A small object of mass 3.54 g and charge −19.3 ?C is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What are the magnitude and direction of the electric field? magnitude direction
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A small object of mass 3.54 g and charge
is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What are the magnitude and direction of the electric field?
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| direction |
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- A small rubber sphere has a mass of 3.64 g and a charge of -18.6 µC. It levitates, motionless, when placed in a uniform electric field perpendicular to the ground. What is the magnitude of the electric field (in N/C)? N/C What is the direction of the electric field? O upward O downward O east westA small plastic bead has a mass of 3.68 g and a charge of -16.6 µC. It levitates, motionless, when placed in a uniform electric field perpendicular to the ground. What is the magnitude of the electric field (in N/C)? N/C What is the direction of the electric field? O upward O downward O east O westA small plastic ball of mass m = 1.50 g is suspended by a string of length L = 25.0 cm in a uniform electric field of magnitude E = 1.00 x 10³ N/C as shown in the figure. If the ball is in equilibrium when the string makes an angle = 17.5° angle with the vertical as indicated, what is the net charge on the ball? 10 E=1.00 x10³ N/C L m
- A small plastic bead has a mass of 4.02 g and a charge of -17.4 µC. It levitates, motionless, when placed in a uniform electric field perpendicular to the ground. What is the magnitude of the electric field (in N/C)? N/C What is the direction of the electric field? O upward O downward O east O westTwo tiny particles having charges +10.0 nC and -10.0 nC are separated by a distance of 20.0 cm. What are the magnitude and direction of electric field midway between these two charges? O 9.0 x 10^3 N/C directed towards the negative charge O 9.0 x 10^3 N/C directed towards the positive charge O The net electric field is zero. O 2.3 x 10^3 N/C directed towards the positive charge O 2.3 x 10^3 N/C directed towards the negative chargeDetermine the magnitude of the electric field.
- A uniformly charged ring of radius 10.0 cm has a total charge of 91.0 ?C. Find the electric field on the axis of the ring at the following distances from the center of the ring. (Choose the x-axis to point along the axis of the ring.) A) 1.00 cm -> î MN/C ? B) 5.00 cm -> î MN/C ? C) 30.0 cm -> î MN/C ? D) 100 cm-> î MN/C ?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 drawing shows two situations in which charges are placed on the x and y axes. They are all located at the same distance of 5.00 cm from the origin O. For each of the situations in the drawing, determine the magnitude of the net electric field at the origin. -l.0 μC +1.0 uC +2.0 uC -3.0 µC +4.0 µC -1.0 uC o! +6.0 uC (b) (a)
- Two plastic balls, each of radius 17.9 cm, are placed so that there is a 36.6 cm space between them. The charge on one ball is +3.20 nC and the charge on the other is -4.70 nC. What is the magnitude of the electric field at a point directly midway between the two balls? 2.22×103 N/C 542 N/C 103 N/C 530. N/CA small 2.25 g plastic ball that has a charge q = 1.35 C is suspended by a string that has a length L = 1.00 m in a uniform electric field, as shown in the figure. If the ball is in equilibrium when the string makes a 0 = 9.80° angle with the vertical, what is the electric field strength E? E = N/C | ĒWhat should be the direction and magnitude of the vertical electric field that will balance the weight of a plastic sphere with the charge Q= +1.5 nC and mass m= 1.8 g? 3.2 x 10^5 N/C positive y-direction 1.2 x 10^6 N/C in +y-direction 1.2 x 10^6 N/C in negative y-direction 3.2 x 10^5 N/C in negative y-direction