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In Fig. 28-49,a rectangular loop carrying current lies in the plane of a uniform magnetic field of magnitude 0.040 T. The loop consists of a single turn of flexible conducting wire that is wrapped around a flexible mount such that the dimensions of the rectangle can be changed. (The total length of the wire is not changed.) As edge length x is varied from approximately zero to its maximum value of approximately 4.0 cm, the magnitude t of the torque on the loop changes. The maximum value of t is 4.80 x 10-8 N · m. What is the current in the loop?
A closely wound circular coil with a diameter of 3.60 cm has 560 turnsand carries a current of 0.560 A. What is the magnitude of the magnetic field at the center of the coil?
two charges are placed on the x axis. one charge q1 12.5 microc is at x1 3.0 cm and the other q2 -15 microc is at x2
A 1.6kg eagle flying 30m/s west grabs a 0.8kg pelican going 30m/s east. What is the final speed of the eagle and pelican together
a cylinder contains 3.2l of oxygen at 340k and 2.6 atm . the gas is heated causing a piston in the cylinder to move
a 3.59-f and a 5.68-f capacitor are connected in series across a 30.0-v battery. a 6.41-f capacitor is then connected
A small glider and a big glider both start from rest and are pushed with the same constant force F along a horizontal, frictionless surface. After each glider has traveled a distance d, which of the following statements is rue ?
A hollow sphere of inner radius 7.2 cm and outer radius9.2 cm floats half-submerged in a liquid of density 900kg/m3. What is the mass of the sphere
For a string stretched between two supports, two successive standing-wave frequencies are 505Hz and 630Hz . There are other standing-wave frequencies lower than 505Hz and higher than 630Hz.
Can somebody please explain gravity vectors for me, as seen in different frames. For example, if there's a moving UAV, what is the difference between the gravity as seen in body (uav) and inertial frame (earth) of reference?
How much heat does it take to enhance the temperature of 8.00 of an ideal monatomic gas from 22.0 to 61.0 if the gas is held at constant volume.
A uniform electric field of magnitude 297 V/m is directed in the positive x direction. Through what potential difference did the charge move
According to one estimate, the first atomic bomb released an energy equivalent to 20 kilotons of TNT. how much uranium was lost through fission in this bomb
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