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An iron atom has a magnetic dipole moment of about 1.8 x 10-23 A · mº...
Suppose that the dipole moment associated with an iron atom of an iron bar is 1.7...
Suppose that the dipole moment associated with an iron atom of an iron bar is 1.7 × 10-23 J/T. Assume that all the atoms in the bar, which is 4.7 cm long and has a cross-sectional area of 1.4 cm2, have their dipole moments aligned. (a) What is the dipole moment of the bar? (b) What torque must be exerted to hold this magnet perpendicular to an external field of 1.4 T? (The density of iron is 7.9 g/cm3 and...
1. Suppose that the dipole moment associated with an iron atom of an iron bar is...
1. Suppose that the dipole moment associated with an iron atom of an iron bar is 1.6 × 10-23 J/T. Assume that all the atoms in the bar, which is 4.3 cm long and has a cross-sectional area of 1.5 cm2, have their dipole moments aligned. (a) What is the dipole moment of the bar? (b) What torque must be exerted to hold this magnet perpendicular to an external field of 1.2 T? (The density of iron is 7.9 g/cm3...
Part A Find the magnitude of the electric dipole moment. Express your answer in coulomb meters...
Part A Find the magnitude of the electric dipole moment. Express your answer in coulomb meters to three significant figures. Constants Point charges h--4 80 nC and g2-+ 4 80 nC are separated by distance 3.00 mm, forming an electric dipole View Available Hint(s) 842 C.m Submit oUs Answer X Incorrect Try Again; 4 attempts remaining Part B What is the direction of the electric dipole moment? from g to q2 from g to g Part C The charges are...
The rotor (flywheel) of a toy gyroscope has a mass of 0.165 kg. Its moment of...
The rotor (flywheel) of a toy gyroscope has a mass of 0.165 kg. Its moment of inertia about its axis is 1.15 × 10-4 kg-m2 The mass of the frame is 0.0275 kg. The gyroscope is supported on a single pivot (see the figure below (Figure 1) with its center of mass a horizontal distance of 3.80 cm from the pivot. The gyroscope is precessing in a horizontal plane at the rate of 1 revolution in 2.50 s Part A...
Constants PartA The ammonia molecule (NH3) has a dipole moment of 5.0 × 10-30C . m....
Constants PartA The ammonia molecule (NH3) has a dipole moment of 5.0 × 10-30C . m. Ammonia molecules in the gas phase are placed in a uniform electric field E with magnitude 2.0x106 N/C What is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to E from parallel to perpendicular? Express your answer using two significant figures SubmitR uest Answer ▼ Part B At what absolute temperature T is the...
1. IP A turntable with a moment of inertia of 5.2×10−3 kg⋅m2 rotates freely with an angular speed of 3313rpm . Riding...
1. IP A turntable with a moment of inertia of 5.2×10−3 kg⋅m2 rotates freely with an angular speed of 3313rpm . Riding on the rim of the turntable, 19 cm from the center, is a cute, 32 g mouse.A) If the mouse walks to the center of the turntable, will the turntable rotate faster, slower, or at the same rate? (Answer is Slower)B) Explain.C) Calculate the angular speed of the turntable when the mouse reaches the center.2. One elevator arrangement...
Part A Find the magnitude of the electric dipole moment. Express your answer in coulomb meters to three significant figures. Constants Point charges h--4 80 nC and g2-+ 4 80 nC are separated by distance 3.00 mm, forming an electric dipole View Available Hint(s) 842 C.m Submit oUs Answer X Incorrect Try Again; 4 attempts remaining Part B What is the direction of the electric dipole moment? from g to q2 from g to g Part C The charges are...
The rotor (flywheel) of a toy gyroscope has a mass of 0.165 kg. Its moment of inertia about its axis is 1.15 × 10-4 kg-m2 The mass of the frame is 0.0275 kg. The gyroscope is supported on a single pivot (see the figure below (Figure 1) with its center of mass a horizontal distance of 3.80 cm from the pivot. The gyroscope is precessing in a horizontal plane at the rate of 1 revolution in 2.50 s Part A...
Constants PartA The ammonia molecule (NH3) has a dipole moment of 5.0 × 10-30C . m. Ammonia molecules in the gas phase are placed in a uniform electric field E with magnitude 2.0x106 N/C What is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to E from parallel to perpendicular? Express your answer using two significant figures SubmitR uest Answer ▼ Part B At what absolute temperature T is the...
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