Areas always have dimensions _____ while volumes always have dimensions _____
a. m2, m3
b. L2, L3
c. Both a and b are correct.
d. No answer is correct because of the "always.".
B
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The end stage of the life cycle of an extremely high-mass star is a
a. quasar. b. neutron star. c. black hole. d. white dwarf.
All of the following may be represented by vectors except:
a. velocity b. speed c. acceleration d. displacement.
A solenoid with 500 turns, 0.10 m long, carrying a current of 2.0 A and with a radius of 10-2 m will have what strength magnetic field at its center? (magnetic permeability in empty space µ0 = 4p × 10^-7 T×m/A)
a. 31 × 10^-4 T c. 2.5 × 10^-2 T b. 1.3 × 10^-2 T d. 62 × 10^-4 T
An (blank) is an engineered structure along a river that effectively raises the heihgt of the river bank and thus confines flood discharge
What will be an ideal response?