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Again, a straight wire (length 9.18 cm, mass 60.5 g) lies on a sensitive scale; this time it makes and angle 76.8° with the north-south line (so it runs northeast to southwest). The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, of magnitude 6.27 T and running east to west. Suddenly the switch is closed, and current 2.24 A runs through the wire from northeast to southwest. Find N, the reading of the scale, in Newtons.

Again, a straight wire (length 9.18 cm, mass 60.5 g) lies on a sensitive scale; this time it makes and angle 76.8° with the north-south line (so it runs northeast to southwest). The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, of magnitude 6.27 T and running east to west. Suddenly the switch is closed, and current 2.24 A runs through the wire from northeast to southwest. Find N, the reading of the scale, in Newtons.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Finally: a straight wire (length 53.8 cm, mass 93.5 g) lies on a table, running north-south. The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, of magnitude 4.53 T, running west to east. Suddenly the switch is closed, and a huge current of 57.2 A runs through the wire from north-to-south. If the only forces acting on the wire are gravity and the interaction between the current and the magnetic field, find the time it takes for the wire to hit the ceiling, height 6.48 m above the table, in ms. Assume you can ignore friction, and the wire maintains its orientation at all times.
Transcribed Image Text:Finally: a straight wire (length 53.8 cm, mass 93.5 g) lies on a table, running north-south. The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, of magnitude 4.53 T, running west to east. Suddenly the switch is closed, and a huge current of 57.2 A runs through the wire from north-to-south. If the only forces acting on the wire are gravity and the interaction between the current and the magnetic field, find the time it takes for the wire to hit the ceiling, height 6.48 m above the table, in ms. Assume you can ignore friction, and the wire maintains its orientation at all times.
A straight wire (length 9.18 cm, mass 60.5 g) lies on a sensitive scale; this time it makes an angle of 76.8° with the north-south line (so it runs northeast to southwest). The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, with a magnitude of 6.27 T and running east to west. Suddenly the switch is closed, and a current of 2.24 A runs through the wire from northeast to southwest. Find \( N \), the reading of the scale, in Newtons.
Transcribed Image Text:A straight wire (length 9.18 cm, mass 60.5 g) lies on a sensitive scale; this time it makes an angle of 76.8° with the north-south line (so it runs northeast to southwest). The wire is part of an electric circuit that includes a battery and an open switch. There is a uniform magnetic field everywhere, with a magnitude of 6.27 T and running east to west. Suddenly the switch is closed, and a current of 2.24 A runs through the wire from northeast to southwest. Find \( N \), the reading of the scale, in Newtons.
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