This painting shows an artist's conception of what it would look like to be within Saturn's system of rings. Notice the many whitish "balls" visible in this painting. Based on what you have learned about rings, about how large are each of these "balls," on average?
A) about a size that you could hold in your arms
B) about the size of a large asteroid
C) about the size of Earth's Moon
D) They are microscopic clusters of about 10 to 20 atoms each.
A) about a size that you could hold in your arms
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How is the angular magnification of a magnifier related to the focal length of the lens?
A. M = f/(25 cm) B. M = f*25 cm C. M = f + 25 cm D. M = (25 cm)/f
A damped oscillator is released from rest with an initial displacement of 10.00 cm. At the end of the first complete oscillation the displacement reaches 9.05 cm. When 4 more oscillations are completed, what is the displacement reached?
A. 7.41 cm B. 6.71 cm C. 6.07 cm D. 5.49 cm E. 5.25 cm
Two blocks, M1 > M2, having the same speed, move from a frictionless surface onto a surface having friction coefficient ?k
The ____________________ of a star can be determined from its color
Fill in the blank(s) with correct word