The frequency and the wavelength of a wave are ______________ proportional
Fill in the blank(s) with correct word
inversely
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The specific yield strength of the alloy Ti-6Al-4V in Table 8.12 is equal to _________MPa.
Fill in the blank(s) with the appropriate word(s).
Gravitational Force: Two small objects, with masses m and M, are originally a distance r apart, and the magnitude of the gravitational force on each one is F. The masses are changed to 2m and 2M, and the distance is changed to 4r. What is the magnitude of the new gravitational force?
A. F/16 B. F/4 C. 16F D. 4F E. F/2
Which of the following statements is TRUE?
A. The blackbody spectrum peaks at a longer wavelength for a red supergiant than for a blue main sequence star. B. Helium absorption lines only appear in the coolest main sequence stars. C. The blackbody spectrum peaks at a shorter wavelength for a red supergiant than for a blue main sequence star. D. The blackbody spectrum peaks at a longer wavelength for a red supergiant than for a red main sequence star of the same spectral class. E. The blackbody spectrum peaks at a shorter wavelength for a red supergiant than for a red main sequence star of the same spectral class.
The linear momentum of an extended object is the product of the object's mass and the velocity of its center of mass
Indicate whether the statement is true or false