Which of the following statements is false?
a. Dikes are discordant rock bodies.
b. Dikes are formed from magma.
c. Dikes are tabular in shape.
d. Dikes consist of extrusive igneous rock.
d
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Projectile Motion: A girl throws a rock horizontally with a speed of 12 m/s from a bridge. It falls 2.28 s before hitting the water below. Neglect air resistance.(a) How high is the bridge from the water below?(b) How far horizontally does the rock travel before striking the water?
Fill in the blank(s) with the appropriate word(s).
Charge of uniform linear density 3.0 nC/m is distributed along the x axis from x = 0 to x = 3 m. Which of the following integrals is correct for the electric potential (relative to zero at infinity) at the point x = +4 m on the x axis?
A.
B.
C.
D.
E.
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Answer the following statement true (T) or false (F)
Which of the following is not consistent with the major hallmarks of science?
A) A scientific model must make testable predictions. B) Science progresses through the creation and testing of models that explain observation as simply as possible. C) Scientific explanations should be based solely on natural causes. D) Science consists of proven theories that are understood to be true explanations of reality.