An iron block in a furnace is heated and consequently expands, which means that its density is
A) less.
B) the same.
C) more.
Answer: A
Physics & Space Science
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Complete the following decay. 
A. n
B. 
C. 
D. 
E. 
Physics & Space Science
As a skier gains speed skiing down a slope, ______ energy is being converted to _________ energy
Fill in the blank(s) with correct word
Physics & Space Science
The current density magnitude 
Physics & Space Science
You are on an island where a huge explosion at a distance of 500 miles away can be heard. How long (in seconds) does it take the sound to travel to your location? Assume the temperature of the air is 20 oC
a. 1.4 s b. 5.6 s c. 2340 s d. 8955 s
Physics & Space Science