Internal energy is greater in a
A) cup of boiling-hot tea.
B) fire-engine pail of boiling-hot tea.
C) both the same
Answer: B
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According to the Maxwellian speed distribution, as the temperature increases the most probable speed:
A. increases B. decreases C. increases at high temperatures and decreases at low D. decreases at high temperatures and increases at low E. stays the same
Gamma-ray bursts seem to come primarily from neutron star binaries in the plane of our own Milky Way Galaxy
Indicate whether the statement is true or false
A 120-V rms voltage at 60 Hz is applied across an RC circuit. The rms value of the current in the circuit is 0.60 A and it leads the voltage by 60°. What is the value of the capacitance in this circuit?
A) 13 ?F B) 14 ?F C) 15 ?F D) 16 ?F E) 17 ?F
If the result of your calculations for a quantity has SI units of C2 ? s2/(kg ? m2), that quantity could be
A) an electric potential difference. B) a dielectric constant. C) an electric field strength. D) a capacitance. E) an electric potential energy.