A thin lens of focal length -12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. What are the size and orientation of the image?
A. 4.0 cm, inverted
B. 4.0 cm, upright
C. 2.8 cm, inverted
D. 2.8 cm, upright
E. 100 cm, inverted
D. 2.8 cm, upright
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A quasar's spectrum is hugely redshifted. What does this large redshift tells us about the quasar?
A) the composition of the quasar B) the distance to the quasar C) the mass of the quasar's central, supermassive black hole D) the type of host galaxy in which the quasar resides
From the South Pole, Polaris would appear directly overhead
Indicate whether the statement is true or false
We would expect the curve for number of can openers sold vs. time to be a logistic curve
What will be an ideal response?
Curve B in Fig. 14-2 represents
A) an underdamped situation. B) an overdamped situation. C) a moderately damped situation. D) critical damping. E) none of the above