How can the location and the strength of an earthquake be determined?
What will be an ideal response?
Answer: The location and strength of an earthquake can be determined by comparing the different types and arrival times of seismic waves recorded on a seismograph. Better accuracy is achieved when several seismograph stations are used.
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For general projectile motion if we neglect air, the vertical component of a projectile's acceleration
A) is always zero. B) remains a non-zero constant. C) continuously increases. D) continuously decreases. E) first decreases and then increases.
The internal energy of a monatomic ideal gas is equal to which of the following?
a. (3/2)PV b. (3/2)nT/V c. 3 T/P d. none of the above
The diagram below shows the position of a long straight wire perpendicular to the page and a set of directions labeled A through H
When the current in the wire is directed up out of the page, the direction of the magnetic field at point P is
a.
A.
b.
B.
c.
C.
d.
D.
e.
E.
What does a breeder reactor do?
a. Produces plutonium from uranium and thereby creates more nuclear fuel than it uses. b. Creates independent chain reactions that then separate from their parents and become new energy sources. c. Uses controlled rates of reaction to conserve nuclear fuel. d. Creates its own neutron bombardment beam out of the neutrons that escape from the uranium as it decays. e. Creates its own control rods out of the lead resulting from uranium decay.