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6. [1/7 Points] DETAILS PREVIOUS ANSWERS SERPSE10 29.A.OP.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two...
Two coplanar and concentric circular loops of wire carry currents of 1 5.00 A and 12 3.00 A in op...
Two coplanar and concentric circular loops of wire carry currents of 1 5.00 A and 12 3.00 A in opposite directions as shown in the figure. (a) If r 12.0 cm and r2 9.00 cm, what is the magnitude and the direction of the net magnetic field at the center of the two loops? (b) Let ri remain fixed at 12.0 cm and let 12 be variable. Determine the value of r2 such that the net field at the center...
12. [-/1 Points] DETAILS SERPSE10 34.A.OP.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 4.00-m-long pole...
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
4. [-12 Points] DETAILS SERPSET9 30.P.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A conductor consists...
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
13. (-/4 Points] DETAILS SERPSE10 30.A.P.035. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A conducting rod...
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. -14 points SerCP11 6.2.P.028. My Notes + Ask Your Teacher Two objects of masses m...
6. -14 points SerCP11 6.2.P.028. My Notes + Ask Your Teacher Two objects of masses m = 0.50 kg and m2 = 0.90 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a). Neglect the mass of the spring. The spring is not attached to either object and is compressed a distance of 9.6 cm. If the objects are released from rest, find...
10. [-/1 Points] DETAILS SERPSE10 36.2.OP.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) A riverside...
10. [-/1 Points] DETAILS SERPSE10 36.2.OP.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) A riverside warehouse has several small doors facing the river. Two of these doors are open as shown in the figure below. Closed door B Open door Open door L The walls of the warehouse are lined with sound-absorbing material. Two people stand at a distance L - 100 m from the wall with the open doors. Person A stands along a line passing through the...
9. [-14 Points] DETAILS SERPSE10 29.A.P.039. MY NOTES ASK YOUR TEACHER Two identical, flat, circular coils...
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...
8. (-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows an...
8. (-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electron's original horizontal velocity. (These can be used to change the electron's direction, such as in an oscilloscope.) YA + + + + + x e VO The initial speed of the electron is 8.00 x 106 m/s, and the horizontal distance it travels in the...
6. [-19 Points] DETAILS SERPSET9 30.P.066. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Rail guns have...
6. [-19 Points] DETAILS SERPSET9 30.P.066. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Rail guns have been suggested for launching projectiles into space without chemical rockets. A tabletop model rail gun (see figure below) consists of two long, parallel, horizontal rails l = 3.80 cm apart, bridged by a bar of mass m = 2.95 g that is free to slide without friction. The rails and bar have low electric resistance, and the current is limited to a constant I...
5. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Due to a weak connection,...
5. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Due to a weak connection, there is a break in the circuit (shown below) between points a and b. If R1 = 3.73 12, R2 = 1.892, and R3 = 14.712, and the two batteries &, and have voltages of 20.0 V and 6.50 V respectively, find the potential difference Vab. Be sure to include the sign of the potential difference. Vab = Vb - Va= V "+ R1...
Two coplanar and concentric circular loops of wire carry currents of 1 5.00 A and 12 3.00 A in opposite directions as shown in the figure. (a) If r 12.0 cm and r2 9.00 cm, what is the magnitude and the direction of the net magnetic field at the center of the two loops? (b) Let ri remain fixed at 12.0 cm and let 12 be variable. Determine the value of r2 such that the net field at the center...
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
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
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. -14 points SerCP11 6.2.P.028. My Notes + Ask Your Teacher Two objects of masses m = 0.50 kg and m2 = 0.90 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a). Neglect the mass of the spring. The spring is not attached to either object and is compressed a distance of 9.6 cm. If the objects are released from rest, find...
10. [-/1 Points] DETAILS SERPSE10 36.2.OP.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) A riverside warehouse has several small doors facing the river. Two of these doors are open as shown in the figure below. Closed door B Open door Open door L The walls of the warehouse are lined with sound-absorbing material. Two people stand at a distance L - 100 m from the wall with the open doors. Person A stands along a line passing through 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...
8. (-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electron's original horizontal velocity. (These can be used to change the electron's direction, such as in an oscilloscope.) YA + + + + + x e VO The initial speed of the electron is 8.00 x 106 m/s, and the horizontal distance it travels in the...
6. [-19 Points] DETAILS SERPSET9 30.P.066. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Rail guns have been suggested for launching projectiles into space without chemical rockets. A tabletop model rail gun (see figure below) consists of two long, parallel, horizontal rails l = 3.80 cm apart, bridged by a bar of mass m = 2.95 g that is free to slide without friction. The rails and bar have low electric resistance, and the current is limited to a constant I...
5. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Due to a weak connection, there is a break in the circuit (shown below) between points a and b. If R1 = 3.73 12, R2 = 1.892, and R3 = 14.712, and the two batteries &, and have voltages of 20.0 V and 6.50 V respectively, find the potential difference Vab. Be sure to include the sign of the potential difference. Vab = Vb - Va= V "+ R1...
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