Three resistors,
and 
are connected in parallel to a 9.0 V battery. What is the power dissipated by the 
?
A. 2.0 W
B. 3.0 W
C. 9.0 W
D. 27 W
E. 81 W
D. 27 W
Physics & Space Science
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Microscopic slush in ice water tends to make water density
A) lower. B) higher. C) sustain at one value.
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Which of these moons has the densest atmosphere?
A) Europa B) Io C) Triton D) Titan E) Callisto
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A ball rolls down an incline, starting from rest. If the total time it takes to reach the end of the incline is T, how much time has elapsed when it is halfway down the incline?
a. 0.5T c. > 0.5T b. < 0.5T d. More information is needed.
Physics & Space Science
A car travels around 200 m radius flat curve at 40 m/s at constant speed. What is the minimum static coefficient of friction which allows it to travel at this speed without sliding?
A) 1.23 B) 0.815 C) 0.736 D) 0.952 E) 0.662
Physics & Space Science