A cylinder rotating about its axis with a constant angular acceleration of 1.6 rad/s2 starts from rest at t = 0 . At the instant when it has turned through 0.40 radian, what is the magnitude of the total linear acceleration of a point on the rim (radius = 13 cm)?
a. 0.31 m/s2
b. 0.27 m/s2
c. 0.35 m/s2
d. 0.39 m/s2
e. 0.45 m/s2
b
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Indicate whether the statement is true or false
120 J of heat flows by thermal conduction from
to 
What is the change in entropy for this process?
A. 0.034 J/K B. 0.118 J/K C. 0.201 J/K D. 0.338 J/K
What would be the best explanation for the fact that most natural water has a pH of about 5.6?
A) Carbon dioxide reacts with water to form an acid. B) Air contains acid rain particles. C) Minerals that are dissolved in water are often acidic. D) Many salts that dissolve in natural waters make the water basic. E) none of the above
You are standing on a scale in an elevator. Suddenly you notice your weight decreases. What do you conclude?
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