Consider a huge rotating cloud of particles in space that gravitate together to form an increasingly dense ball. As the cloud shrinks in size, it
A) rotates slower.
B) rotates faster.
C) rotates at the same rate.
Answer: B
Physics & Space Science
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An atom with fewer electrons than protons is a negative ion
a. True b. False Indicate whether the statement is true or false
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What is the change in entropy when 50 g of ice melt at 0°C?
A) 14.7 cal/K B) 4.0 kcal/K C) zero D) -4.0 kcal/K E) -14.7 cal/K
Physics & Space Science
Which of the following best describes the lunar maria?
A) densely cratered regions on the Moon B) mountainous regions on the Moon C) frozen oceans of liquid water on the Moon D) relatively smooth, flat plains on the Moon
Physics & Space Science
A positron is the ______________of an electron
Fill in the blank(s) with correct word
Physics & Space Science