The lattice parameter of nickel is 0.352 nm, and for copper it is 0.363 nm. The electronegativities are 1.8 and 1.9, respectively, and they are both FCC metals. It is expected that there is _____________solid solubility of nickel in solid copper at elevated temperature.
Fill in the blank(s) with the appropriate word(s).
continuous
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A box is moved 10 m across a smooth floor by a force F making a downward angle with the floor, so that there is effectively a 4 N force acting parallel to the floor in the direction of motion and a 3 N force acting perpendicular to the floor. The force F acts for 20 seconds. The impulse delivered to the box by the floor during this process has magnitude
A. 60 Ns. B. zero. C. 100 Ns. D. 80 Ns. E. Can't tell without knowing the weight of the box
A positively charged particle has a velocity in the negative z direction at point P. The magnetic force on the particle at this point is in the negative y direction. Which one of the following statements about the magnetic field at point P can be determined from this data?
a. Bx is positive. b. Bz is positive. c. By is negative. d. By is positive. e. Bx is negative.
Which of the following is a unit of power?
a. Btu b. kilowatt c. kilowatt-hour d. joule e. horsepower per hour
If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its wavelengths if it were at rest
a. longer than b. shorter than c. the same as