Determine the rms current for the circuit.
A. 55 mA
B. 77 mA
C. 99 mA
D. 0.19 A
E. 61 mA
Answer: A
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A 3000-N bear grasping a vertical tree slides down at constant velocity. The friction force between the tree and the bear is
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a. True b. False Indicate whether the statement is true or false