When a ferromagnetic material is placed in an external magnetic field, the net magnetic field of its magnetic domain becomes
A) smaller.
B) zero.
C) larger.
C
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The temperature of Jupiter's core is higher than the surface temperature of the Sun.
Answer the following statement true (T) or false (F)
For a projectile launched horizontally, the vertical component of its velocity
A) is zero. B) remains a non-zero constant. C) continuously increases. D) continuously decreases. E) any of the above, depending on position.
In contrast to the plum-pudding model of the atom, Rutherford's model:
a. was first to explain atoms emitting discrete frequencies. b. had the positive charge concentrated in a small region. c. eliminated radiation from accelerating charges. d. had the positive charge spread uniformly through the atom.
Consider a very small hole in the bottom of a tank that is in diameter and filled with water to a height of Find the speed at which the water exits the tank through the hole
A) 44.1 m/s B) 17.64 m/s C) 4.20 m/s D) 48.3 m/s