When water freezes, it expands about nine percent. What would be the pressure increase inside your automobile engine block if the water in there froze? The bulk modulus of ice is 2.0 × 109 N/m2, and 1 atm= 1.01 × 105 N/m2.
A. 18 atm
B. 360 atm
C. 1100 atm
D. 1600 atm
E. 600 atm
Answer: D
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Georgia moves an unattached piece of wire back and forth over a magnet. Which best explains what will happen?
A. a current will be induced because the wire moves through a magnetic field. B. a current will not be induced because the wire moves through a magnetic field. C. a current will be induced because the wire is not part of a closed circuit. D. a current will not be induced because the wire is not part of a closed circuit.
Electrons interact with each other by exchanging:
a. gluons. b. photons. c. neutrinos. d. nucleons. e. charges.
A transiting extrasolar planet is observed to block 1% of its host star's light. How does the size of this planet compare to the host star?
A) The planet's radius is 10% of the host star's radius. B) The planet is the same size as the host star. C) The planet's radius is 0.1% of the host star's radius. D) The planet's radius is 1% of the host star's radius.
An absorption spectrum is also called a bright-line spectrum
Indicate whether the statement is true or false