13. (-/4 Points] DETAILS SERPSE10 30.A.P.035. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A conducting rod...
My Notes Ask Your Teacher 3. -13 points SerPSE9 31.P.029. A conducting rod of length moves on two horizontal, frictionless rails, as in the figure. A constant force of 1.00 N moves the bar at 1.00 m/s through a magnetic field B that is directed into the monitor (a) What is the current through the 7.00 resistor R? (b) What is the rate at which energy is delivered to the resistor? (c) What is the mechanical power delivered by the...
4. -/10 points My Notes Ask Your Teacher The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is R -6,40 0, and a 2.50-T magnetic field is directed perpendicularly downward, into the page. Let l = 1.20 m. XXX Bin x x xxx (a) Calculate the applied force required to move the bar to the right at a constant speed of 1.50 m/s. N (to the right) C (b) At...
ASK YOUR TEACHER 18. 6 POINTS SERPSE10 30.C.OP.035 The gure below shows a top-down view of a circuit with two very long solenoids, oriented perpendicular to the plane of the circuit, passing through the two loops of the circuit. (The plane of the circuit go through the middle of each solenoid.) 0.100 m 0,150 m 6,00 The length is 0.495 m in the figure. The magnitudes of land within the solenoids are the same, and each is increasing at the...
9. [-14 Points] DETAILS SERPSE10 29.A.P.039. MY NOTES ASK YOUR TEACHER Two identical, flat, circular coils of wire each have 60 turns and radius R = 0.500 m. The coils are arranged as a set of Helmholtz coils so that the separation distance between the coils is equal to the radius of the coils (see figure below). Each coil carries current I = 8.5 A. Determine the magnitude of the magnetic field at a point on the common axis of...
2. -/1 points SerPSE10 27.2.P.013. My Notes Ask Your Teacher Calculate the power delivered to each resistor in the circuit shown in the figure below. (Let R1 = 3.00 2, R2 = 2.00 , and V = 15.0 V.) R 1.000 w 4.00 2 C resistor R1 4.00-ohm resistor resistor R2 1.00-ohm resistor Need Help? Read It Watch It
4. (-14 Points) DETAILS SERCP11 18.4.P.018. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHE Consider the following figure. Note: The currents are not necessarily in the direction shown. (Assume R-32.00, Ry - 4.0, and V-33) R w w 24 W R (a) Find the current in each resister of the figure above by using the rules for resistors in series and parallel 4.00 32.00 24 А (b) write three independent equations for the three currents using Kirchoff's laws: one with the...
7. 1/2 points SerPSE? 25.P 035.soln. My Notes Ask Your Teacher A rod of length L lies along the x axis with its left end at the origin. It has a nonuniform charge density -ax, where a is a positive constant. (a) What are the units of a? (Use SI unit abbreviations as necessary.) units2 In (b) Calculate the electric potential at A. (Use the following as necessary: α, k, L, and d.) Need Help? Talk to a Tutor
10. + 0/2 points Previous Answers SerPSE10 4.A.P.046. My Notes Ask Your Teacher An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which the bounced ball leaves the ground is the same as the angle at which the outfielder threw it as shown in the figure, but that the ball's speed after the bounce is one-half of what...
6. [1/7 Points] DETAILS PREVIOUS ANSWERS SERPSE10 29.A.OP.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two coplanar and concentric circular loops of wire carry currents of 11 = 5.90 A and 12 = 2.40 A in opposite directions as in the figure below. Let r1 = 12.0 cm and r2 = 8.70 cm. (Assume the positive direction along the axis perpendicular to the faces of the loops is out of the screen (towards you) and assume the positive vertical direction...
12. [-/1 Points] DETAILS SERPSE10 34.A.OP.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 4.00-m-long pole stands vertically in a freshwater lake having a depth of 1.95 m. The Sun is 42.0° above the horizontal. Determine the length of the pole's shadow on the bottom of the lake. m Need Help? Read It Watch It