If aluminum arsenate is AlAsO4, the ionic charge on the arsenate ion must be ______________
Fill in the blank(s) with correct word
3–
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Two point charges, initially 2.0 cm apart, experience a 1.0-N force. If they are moved to a new separation of 8.0 cm, what is the electric force between them?
A) 2.0 N B) 4.0 N C) 16 N D) 1/4 N E) 1/16 N
The order in which solar energy is converted to the kinetic energy of an automobile is
A) photocells, electrolysis, motor, fuel cells, kinetic energy. B) photocells, electrolysis, fuels cells, motor, kinetic energy. C) electrolysis, fuel cells, photocells, motor, kinetic energy.
A fountain sends water to a height of 100 meters. What must be the pressurization (above atmospheric) of the water system? 1 atm= 1.01 × 10^5 N/m2
a. 1.0 atm b. 4.2 atm c. 7.2 atm d. 9.7 atm e. 8.2 atm
How much electrical charge is needed to raise an isolated metal sphere of radius 1.0 m to a potential of 1.0 × 10^6 V?