At three Earth radii from the center of Earth, the acceleration of gravity is 1/9 its surface value
1.True
2.False
1
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For an RLC ac circuit, the rms current is 10 A. If the impedance is 12 k? when the voltage leads the current by 39°, find the average power of the circuit
A) 47 kW B) 93 kW C) 190 kW D) 930 kW
An electron (m = 9.1 × 10?31 kg, q = ?1.6 × 10?19 C) starts from rest at point A and has a speed of 5.0 × 106 m/s at point B. Only electric forces act on it during this motion. Determine the electric potential difference VA?VB.
A. ?71 V B. +71 V C. ?26 V D. +26 V E. ?140 V
The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the magnitude of the field between the plates during this process?
A) It increases. B) It decreases. C) It remains constant. D) It cannot be determined from the information given.
Consider the following quantum state vector: 
Which of the following q-vectors is physically equivalent to the vector 
?
A. 
B. 
C. 
D. 
E. None of the above