The basic biological structures of life on Earth are called
A) cells
B) bacteria
C) molecules
D) atoms
A
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Car 1 with mass m rounds an unbanked curve of radius R traveling at a constant speed src="https://sciemce.com/media/4/8b3b5fb217c65962020-02-23 21_17_31-ch07_clicker [Compatibility Mode] - Microsoft PowerPoint.png" class="w-image" /> of the sideward static friction force on car 1?
. Car 2 with mass 2m rounds a curve of radius 2R traveling at a constant speed 2
. How does the magnitude 
of the sideward static friction force acting on car 2 compare with the magnitude
A. 
B. 
C. 
D. 
E. 
F. Other (specify)
A chair is placed on a rug. Then a book is placed on the chair. The floor exerts a normal force
a. on all three. b. only on the book. c. only on the rug. d. upwards on the rug and downwards on the chair. e. only on the objects you have defined to be part of the system.
The Great Red Spot is a feature of ______________
Fill in the blank(s) with correct word
The temperature scale where the numerical value is proportional to the average kinetic energy of the atoms or molecules is
a. Fahrenheit. b. Celsius. c. Kelvin. d. none of the above.