________ is the process of stripping electrons from their atoms
Fill in the blank(s) with correct word
Ionization
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A simple pendulum, consisting of a mass m and a string of length L, swings upward, making an angle ? with the vertical. The work done by the tension force is
A) zero. B) mgL. C) mgL cos ?. D) mgL sin ?. E) mgL tan ?.
An object's ______________would be the same on Earth and on the Moon, but its weight would be different
Fill in the blank(s) with correct word
Which of the following is true of the Sun?
A) It is a nonluminous body. B) It generates energy by nuclear fission reactions. C) It is about 100 times larger in diameter than Earth. D) It shines by reflecting light from Venus.
Geologists think that Earth is how old?
a. 4560 billion years b. 45.6 thousand years c. 45.6 million years d. 4.56 billion years