In mechanics, physicists use three basic quantities to derive additional quantities. Mass is one of the three quantities. What are the other two?
a. length and force
c. length and time
b. power and force
d. force and time
C
Physics & Space Science
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A metal alloy, such as steel, is
a. a compound. b. a heterogeneous mixture. c. a homogeneous mixture. d. an element.
Physics & Space Science
The element ______________ is a purple-black solid that sublimes readily
Fill in the blank(s) with correct word
Physics & Space Science
Eris, Sedna, Quaoar, and Orcus are KBOs and therefore don't meet the definition of a planet
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Series/Parallel Circuits: For the circuit shown in the figure, the current in the 8.0-? resistor is 0.50A. What is the current in the 2.0-? resistor? All the numbers shown are accurate to two significant figures.
A. 2.25 A B. 0.75 A C. 4.5 A D. 9.5 A E. 6.4 A
Physics & Space Science