In radiometric dating the older the rock, the
greater the ratio of
a) large grain size to small grain size.
b) index fossils to regular fossils.
c) stable daughter to radioactive parent nuclide.
d) non-radioactive material to radioactive material.
c
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If the north celestial pole appears on your horizon, what is your latitude?
a. 90° N b. 90° S c. 0° d. 45° N e. The latitude of the observer can not be determined from the information given.
The current theories of gravity are ________ because they do not incorporate a proper description of matter on the smallest scale
Fill in the blank(s) with correct word
A +2-?C charge is at rest in a magnetic field of 2 T pointing along the +x-axis. What is the force acting on this charge in the magnetic field?
A) -4 ?N B) +4 ?N C) -2 ?N D) +2 ?N E) 0 N
The potential applied to a 20-? resistor is v = (60 V) cos(33t). What is the rms current through this resistor?
What will be an ideal response?