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General Physics
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- Solve the following word problems. Show complete solutions to your answers. 1. What are the electric field and electric fluy of a snhere with a radius of 0.500 m and carries a charge of +1.00 µC at its center? 2. A long straight wire has a charge per unit length of 3.00 x 10 -12 C/m. At what distance from the wire is the electric field equal to 0.600 N/C1.1) Consider a particle of charge 1 µC located at 0 cm and a 2 µC at positions 3 cm, 6 cm, and 9 cm. Calculate the magnitude of the electric force between the charges in each of the positions. Is the force attractive or repulsive? Show your work for calculation! 1.3) Graph the force versus distance for the above calculations. 1.4) Consider a particle of charge 1 µC located at 0 cm and a -2 µC at positions 3 cm, 6 cm, and 9 cm. Calculate the magnitude of the electric force between the charges in each of the positions. Is the force attractive or repulsive? Show your work for calculation!Directions: Solve the following problems. Show your complete solutions. Round off your answers into 3 significant figures. 2. An infinitely long line of particles carries a charge of 0.600 nC along a wire whose length is 1.30 m. What is the electric field 0.250 m from the line of charge? 3.A uniformly charged conducting sphere of 1.5-m diameter has a surface charge density of 7.6 x 10-6 C/m^2. a. What is the net electric field? b. What is the net electric flux?
- Solve the following word problems. Show complete solutions to your answers. 1. Find the electrostatic force between charges of +2.0 C and +5.0 C separated by a distance of 75 m in a vacuum. 2. Two charges of +8.0 mC and -6.0 mC attract each other with a force of 3.0 x 103 N in a vacuum. What is the distance between the charges? 3. A charge of 12 µC when placed in electric field experiences a force of 648N. What is the magnitude of the electric field strength? 4. What happens to the force between two charged metal spheres in a vacuum if the charge on each is doubled and the distance between them is multiplied by three? 5. An 8µC charge is place at the origin and a -7µC charge is placed 2m to the right. A third charge equal to -10µC on the y-axis 3m above the first charge. What is the net force on second charge due to the other two charges?Derived the following formula according to what is being asked. A. Get the value of Q from the given formula below. Q B. If E= Fe/qand F= q1q2/ r2, what would be the value of E, if you will expand it using the given value of force from Coulomb's formula? c. Obtain the value of E from the (B) problem and the area of a sphere, which represents A in the given formula, and then expand the formula of 0=E-A. D. Obtain the value of E from the (B) problem and the area of a cylinder, which represents A in the given formula, and then expand the formula of 0=E-A.Capacitance, Charge and Voltage: Q = CV 1. Click the Reset Button on the bottom right of the PHET simulation. 2. CHECK Plate Charges and Bar Graphs boxes in the upper right so your display resembles the graph below. 3. SET the Plate Area to 200 mm² and the Separation to 4.0 mm. Capactance Tup Pate Charge oc Sured Energy Pu Charges r Graphs O e Fd Cument Direction 1500 V 4. Connect the voltmeter across the capacitor by placing the red on the top plate and black on bottom. If the voltmeter reads a negative, switch the red and black. 5. Set the battery Voltage to 0.25 V. Record the measured plate charge, Q. 6. Repeat Step 5 for each Voltage in Table 3. Table 3: Charge and Voltage Voltage |(V) Plate Charge |(pC) 0.25 V 0.50 V 0.75 V 1.00 V 1.25 V 1.50 V
- Use the attached diagram to answer the following questions. 1. At P the electric field is zero. Explain how the electric field can be zero. 2. The magnitude of the charge on X is Q and that on Y is q. The distance between X and Y is 0.600 m. The distance between P and Y is 0.820 m.Determine, to one significant figure, the ratio Q/q.Compute for the following. Round your answers into to 2 significant figures. 1. What is the charge of an object that has 3,000,000 excess electrons? 2. What is the charge of an object that has 5,000,000 electron deficits? 3. How many excess electrons are there in an object with a charge if -3.6 ×10^-17 C?An electron is fired at a speed v 4.3 x 10 m/s and at an angle 8 = 39.7 between two parallel conducting plates as shown in the figure. If s 1.7 mm and the voltage difference between the plates is AV= 99.8 V, determine how close, w. the electron will get to the bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. Round your answer to 6 decimal places.
- Directions: Solve for the given problems. Show your complete solutions. Round off your answers into 3 significant figures. 1. Three particles are lying along the same line. The left particle has a charge of - 8.00 µC. The middle particle has a charge of 6.50 µC, while the right particle has a charge of 5.30 µC. The middle particle is 60.0 cm away from each of the two charges.a. Find the net force on the middle particle.b. Find the net force on the right particle.Directions: Solve for the given problems. Show your complete solutions.Round off your answers into 3 significant figures. 2. Two stationary point charges q1 = 4.00 nC and q2 = 6.00 nC are separatedby a distance 30.0 cm. An electron is released from rest at a point halfwaybetween the two charges. What is the speed of the electron when it is10.0 cm from q2?Please fill out the template with the work for this problem. Note that you need to have a picture, a list of knowns and unknowns, the general equation/s you will use, and the math steps to solve for the unknown, Only plug in the numbers after you have solved for the unknown, and the answer with units included. Problem 1: A negative charge of q = -8.3 × 10-17C and m = 1.2 × 10-26 kg enters a magnetic field B = 1.3 T with initial velocity v = 410 m/s, as shown in the figure. The magnetic field points into the screen. Calculate the magnitude of the magnetic force F on the charge, in newtons.