The drawing shows an equilateral triangle, each side of which has a length of 2.46 cm. Point charges are fixed to each corne The 4.00 µC charge experiences a net force due to the charges qA and qg. This net force points vertically downward and ha magnitude of 152 N. Determine (a) charge qA. (b) charge qB- +4.00 pC
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- There are three objects: A, B, and C. You know that A is positively charged. When object A is brought near object B, they attract. When object B is brought near object C, they also attract. What can you say about the charge of object B?(a) Object B CAN be either neutral or negative. (b) Object B MUST be neutral.(c) Object B CAN be either neutral or positive.(d) Obejct B MUST be positive.(e) Object B MUST be negative.A 7.45 nC charge is located 1.62 m from a 3.78 nC point charge.(a) Find the magnitude of the electrostatic force that one charge exerts on the other.A positive charge of 9 µC exerts and attractive force of 1 N on an unknown charge 0.8 m away. The unknown charge in µC:
- You hold a ruler that has a charge on its tip 6.00 cm above a small piece of tissue paper to see if it can be picked up. The ruler has -14.0 µC of charge. The tissue has 1.00 g of mass. What is the minimum charge required to pick up the tissue paper? μCI need the answer as soon as possible11:09 d G . O 图“自 Ritesh Sah 2. A uniform rod oflength L lies on the x-axis as shown. The rod has a net charge of Q that is uniformly spread alongits length. Q=+5.00e-9 C L= 5.00 meters A uniformly charged rod of length L on the x-axis. Point P is at (5,2) meters on the x,y plane. Use the methods shown in class to: • Calculate the magnitude/size of the electric field at point P due to the rod. Calculate the Trig Angle, measured counter-clockwise from the +x-axis in degrees, of the electric field at point P due to the rod.
- A charge Q is transferred from an initially uncharged plastic ball to an identical ball 15cm away. The force of attraction is then 40.47 mN. How many electrons were transferred from one ball to the other? Answer in SI units and multiply your answer by 10^-12.A positive charge q, = 3.00 µC on a frictionless horizontal surface is attached to a spring of force constant k as in the figure shown below. When a charge of q, = -8.950 µC is placed 9.50 cm away from the positive charge, the spring stretches by 5.00 mm, reducing the distance between charges to d = 9.00 cm. Find the value of k. ww 92 N/m Need Help? Read It11:09 d G M O 图“ Ritesh Sah 2. A uniform rod of length L lies on the x-axis as shown. The rod has a net charge of Q that is uniformly spread alongits length. Q=+5.00e-9 C L= 5.00 meters A uniformly charged rod of length L on the x-axis. Point P is at (5,2) meters on the x,y plane. Use the methods shown in class to: • Calculate the magnitude/size of the electric field at point P due to the rod. Calculate the Trig Angle, measured counter-clockwise from the +x-axis in degrees, of the electric field at point P due to the rod.
- Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of −4.50 nC? (b) How many electrons must be removed from a neutral object to leave a net charge of 0.410 µC?The magnitude of the electrostatic force between two identical ions that are separated by a distance of 7.7 x 10-10 m is 263.1 x 10° N. (a) What is the charge of each ion? (b) How many electrons are "missing" from each ion (thus giving the ion its charge imbalance)? (a) Number Units (b) Number i Units24. (a) Two point charges totaling 8.00µC exert a repulsive force of 0.150 N on one another when separated by 0.500 m. What is the charge on each? (b) What is the charge on each if the force is attractive?