Which of the above substances would have the largest dipole?
A) a
B) b
C) c
D) Each has the same size dipole.
E) None of the molecules has a dipole.
Answer: C
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Gravitational Force: Three identical 50-kg balls are held at the corners of an equilateral triangle, 30 cm on each side. If one of the balls is released, what is the magnitude of its initial acceleration if the only forces acting on it are the gravitational forces due to the other two masses? (G = 6.67 × 10-11 N ? m2/kg2)
A. 3.7 × 10-8 m/s2 B. 2.5 × 10-8 m/s2 C. 1.9 × 10-8 m/s2 D. 4.2 × 10-8 m/s2 E. 6.4 × 10-8 m/s2
The number of neutrons in a triton is ______________
Fill in the blank(s) with correct word
How does degeneracy pressure differ from thermal pressure?
A) Degeneracy pressure continues to be felt even if an object becomes cold, but thermal pressure is drastically reduced as an object gets cold. B) Degeneracy pressure cannot support an object against the crush of gravity, but thermal pressure can. C) Degeneracy pressure can arise in a plasma, but thermal pressure cannot. D) Degeneracy pressure affects stars, but thermal pressure does not.
Why are nuclear engineers concerned about neutron embrittlement in fission power plants?
What will be an ideal response?