Where are S-type asteroids typically found in the Solar System?
a. in the Kuiper belt
b. the inner asteroid belt
c. the outer asteroid belt
d. at the Lagrange points of Jupiter
e. near Earth
b
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The type of plate boundary at which one plate collides with another and subduction occurs is called ______________
a. transform b. divergent c. convergent d. none of these
The graphs below show a voltage phasor at different instances of time. Which voltage phasor shows the instantaneous value of the voltage with the largest magnitude?
a.
b.
c.
d.
Nanostructured materials can have unique properties. For materials with dimensions measured in nanometers the amount of surface energy is comparable to the bonding energy in the material.
(a) Compare the magnitude of the total surface energy to the total bond energy for a sphere of Ni atoms with one atom at the center surrounded by twelve nearest neighbors. The surface energy of Ni is 1.90 J/m2, the cohesive energy of Ni is –4.435 eV/atom, and the lattice parameter of FCC Ni is 0.352 nm. Assume that the total radius of this sphere is equal to 1 atomic diameter. (b) Is this 13-atom cluster of atoms stable?
When air drag affects the motion of projectiles, they don't travel
A) as high. B) as far. C) both of these D) neither of these