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- 1. Question
The name given to the characteristic behavior of substances which set their length perpendicular to a strong magnetic field instead of in line with it is _____.
- 2. Question
What is the gravitational potential due to a point mass m at a distance r from it? (G = gravitational constant)
- 3. Question
Magnetic flux density is defined as the
- 4. Question
The magnitude of the gravitational attraction between the earth and a particle is 40N. If the mass of the particle is 4kg, calculate the magnitude of the gravitational field intensity of the earth on the particle