When a sedimentary rock is melted and then re-solidifies it turns into
A) an igneous rock
B) a meteorite
C) a metamorphic rock
D) another sedimentary rock
A
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RC Circuits: A resistor with a resistance of 360 ? is in a series circuit with a capacitor of capacitance 7.3 × 10-6 F. What capacitance must be placed in parallel with the original capacitance to change the capacitive time constant of the combination to three times its original value?
Fill in the blank(s) with the appropriate word(s).
When our Earth becomes tidally locked with the Moon, which of the following statements will be true?
A. An astronaut on the Moon would see only one side of Earth. B. The Moon will not go through phases. C. The Moon will only be visible during the day. D. There will be no eclipses.
All quarks have 1/3 the electric charge of an electron
a. True b. False Indicate whether the statement is true or false
A hydrogen atom consists of a proton and an electron. If the orbital radius of the electron increases, the electric potential energy of the electron due to the proton
A) increases. B) decreases. C) remains the same. D) depends on the zero point of the potential.