The acceleration due to gravity on Titan, Saturn's largest Moon, is about 1.4 m/s2. What would a 60-kg scientific instrument weigh on Titan?
A. 43 N
B. 60 N
C. 84 N
D. 600 N
Answer: C. 84 N
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The diagram below illustrates two stars in a visual binary system and the center of mass of this system. Based on this diagram, what is the ratio of the mass of star A to the mass of star B?
a.
2 to 1
b.
1 to 2
c.
2 to 3
d.
3 to 2
e.
1 to 3
Which one of the following volumes is largest?
A) 500. cm3 B) liter C) quart D) cc E) cubic inch
What is Brewster's angle for light traveling in vacuum and reflecting off a piece of glass having a refractive index of 1.52?
A) 48.9° B) 33.3° C) 48.1° D) 56.7° E) 41.1°
The ratio of the circumference of any circle to its diameter is ?. Similarly, the ratio of the energy of any photon to its frequency is
1) h, Planck's constant, 2) uncertain, unlike ?, 3) the wavelength of the photon, 4) c, the photon's speed, which is 5) a basic constant of nature setting a lower limit on the smallness of things. 6) a basic constant of nature setting an upper limit on the speed of things.