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【单选题】
A $1,000 par, semiannual-pay coupon bond is trading for 89.14, has a coupon rate of 8.75%, and accrued interest of $43.72. The flat price of the bond is:A.
847.69
B.
891.4
C.
935.12
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举一反三
【简答题】比赛;竞赛 n.
【简答题】比赛;竞赛 n. __
【单选题】Two slants with the same height, mass and different obliquity are located on a smooth suce of a plane. The slant is also smooth. Two same objects slide down on the slant form the top and from the r...
A.
The momenta of two objects are equal at the bottom end of the slant.
B.
The kinetic energies of two objects are equal at the bottom end of the slant.
C.
For the system composed of the objects and the slant ( and the Earth) ,mechanical energy is not conservative.
D.
For the system composed of the objects and the slant, the horizontal momentum is conservative.
【简答题】If is a point of inflexion of the graph of a smooth function, .
【简答题】n.比赛,竞赛
【单选题】Two slants with the same height, mass and different obliquity are located on a smooth suce of a plane. The slant is also smooth. Two same objects slide down on the slant from the top and from the r...
A.
（A）The momenta of tow objects are equal at the bottom end of the slant.
B.
（B）The kinetic energy of two objects are equal at the bottom end of the slant.
C.
（C）For the system composed of the objects and the slant (and Earth ), mechanical energy is not conservative.
D.
（D）For the system composed of the objects and the slant , the momentum is conservative.
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