Short duration gamma-ray bursts are explained as the merger of two neutron stars
Indicate whether the statement is true or false
TRUE
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Which of the following changes will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.)
A) increase the charge on the plates B) decrease the potential between the plates C) increase the potential between the plates D) introduce a dielectric material between the plates E) decrease the separation between the plates
The horizontal surface on which the objects slide is frictionless. If F = 12 N, what is the tension in string 1?
a.
35 N
b.
30 N
c.
40 N
d.
45 N
e.
25 N
Room temperature is about 20 degrees on the:
A. Kelvin scale B. Celsius scale C. Fahrenheit scale D. absolute scale E. C major scale
Molecular Speeds: Oxygen molecules are 16 times more massive than hydrogen molecules. At a given temperature, the average molecular kinetic energy of oxygen molecules, compared to that of hydrogen molecules,
A. is greater. B. is less. C. is the same. D. cannot be determined without knowing the pressure and volume.