How does the density of copper at its melting point of 1356 K compare to that of copper at room temperature, 293 K? Its linear expansion coefficient is 
A. 1.054 times as large
B. 1.018 times as large
C. 0.946 times as large
D. 0.982 times as large
E. 0.947 times as large
C. 0.946 times as large
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When a rock thrown straight up reaches the exact top of its path, its velocity is
A) zero and its acceleration is zero. B) zero and its acceleration is 10 m/s2. C) about 10 m/s and its acceleration is zero. D) about 10 m/s and its acceleration is 10 m/s2.
Why does exponential growth seem so surprising in its outcome to most people?
What will be an ideal response?
A golf ball moving forward with 1 unit of momentum strikes and bounces backward off a heavy bowling ball that is initially at rest and free to move. The bowling ball is set in motion with a momentum of
A) less than 1 unit. B) more than 1 unit. C) 1 unit. D) not enough information
How many possible sets of electron states (or quantum numbers) are there in the 5f subshell?
A) 2 B) 8 C) 10 D) 14