A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2 . What is the time interval required for it to reach a 6.50-rad displacement after starting from rest?
a. 3.61 s
b. 260 s
c. 0.163 s
d. 22.8 s
d
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At temperatures above 0.80 of the melting temperature and at very low stress, the primary mechanism of creep strain in metals is
(a) Cobel creep. (b) Dislocation glide (c) Dislocation creep (d) Herring-Nabarro vacancy flux
What is the primary effect the carbon dioxide in Venus' atmosphere has on the planet
What will be an ideal response?
Generators that were used in the past to supply electricity in automobiles have been replaced by
A) batteries. B) armatures. C) dynamos. D) alternators. E) commutators.
What is the direction of the electric field vector 
at point P in the situation shown below? (Assume that the balls are actually point particles with the same magnitudes of charge.)
A. A
B. B
C. C
D. D
E. zero
F. Other
G. AA
H. BB
I. CC
J. DD