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9. [-14 Points] DETAILS SERPSE10 29.A.P.039. MY NOTES ASK YOUR TEACHER Two identical, flat, circular coils...
19. [-13 Points] DETAILS SERPSE10 29.1.OP.003.CTX. MY NOTES ASK YOUR TEACHER You are performing studies of the possibility of migrating birds using the Earth's magnetic field for navigation. To modify the magnetic field in the brain of a bird, you fit the bird with coils as "caps" and "collars" as shown in the figure below. The data on the coils indicate that they each have 210 of resistance, a radius of 1.20 cm, and 50 turns of wire. The centers...
Helmholtz coils are two circular coils with radius R, each wound with N turns of wire carrying a current I, circulating in the same direction in both coils. The coils are placed distance R apart. The Helmholtz coil produce a very uniform magnetic field in the region between them. Obtain an expression for the magnitude of the magnetic field at point P, which is midway between the coils.
13. (-/4 Points] DETAILS SERPSE10 30.A.P.035. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A conducting rod of length 1 - 35.0 cm is free to slide on two parallel conducting bars as shown in the figure below. Two resistors R. - 2.000 and R, - 5.000 are corected across the ends of the bars to form a loop. A constant magnetic field 8 - 2.95 T is directed perpendicularly into the page. An external agent pulls the rod to the...
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...
4. [-12 Points] DETAILS SERPSET9 30.P.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A conductor consists of a circular loop of radius R = 23.0 cm and two long, straight sections as shown in the figure below. The wire lies in the plane of the screen and carries a current I = 3.80 A. Find the magnetic field at the center of the loop. magnitude NT direction -Select- V R Additional Materials eBook
12. [-/2.5 Points] DETAILS SERCP11 1.7.P.039.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A point is located in a polar coordinate system by the coordinates r - 4.6 m and 8 - 24. Find the x- and y-coordinates of this point, assuming that the two coordinate systems have the same origin. m y = וח Need Help? Master it 13. [-/2.5 Points] DETAILS SERCP11 1.7.P.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A certain corner of a room is selected...
12. (-/2 points) DETAILS SERCP11 9.A.P.088. MY NOTES ASK YOUR TEACHER A U-tube open at both ends is partially filled with water (Figure (a)). Oil (p = 750 kg/m?) is then poured into the right arm and forms a column L = 4.43 cm high (Figure (b)). P Shield U Water Oil (a) Determine the difference h in the heights of the two liquid surfaces. (The density of water is 1.00 x 103 kg/m3.) cm (b) The right arm is...
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
My Notes Ask Your Teacher SerPSE9 29.P.035.WI. -/2 points straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, B = 1.50 k T. If the current is in the wire carries a steady current of 2.00 A negative y direction, what is the magnetic force on the section of wire? Magnitude N Direction --Select- Need Help? Read It Watch It
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...