A hot B8V star whose spectra shows a high metallicity is most likely a _____ star

A. Pop III
B. Pop II
C. Pop I
D. Dark Matter Star


Ans: C. Pop I

Physics & Space Science

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If the AA numerical designation of an alloy is followed by “T7”, the alloy is solution heat-treated and artificially _________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. The velocity is given by the expression v(t) = 8.00 cm/s sinWhat is the maximum velocity of the simple harmonic motion?

A. 41.0 cm/s B. 32.8 cm/s C. 24.5 cm/s D. 20.5 cm/s E. 12.8 cm/s

Physics & Space Science

A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The velocity

a. is zero. b. has its largest magnitude. c. points up. d. points down.

Physics & Space Science

Light passing from glass into air bends ________ (toward, away from) the normal to the surface because it is traveling ________ (slower, faster) in the glass than in air.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science