Phil paddles his canoe at 8 m/s in still water. Keeping this speed he then paddles upstream in a river that flows downstream at 6 m/s. To his friend sitting on shore, Phil's speed is
A. 10 m/s.
B. 8 m/s.
C. 2 m/s.
D. 6 m/s.
Answer: C
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What does the figure illustrate?
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When we say a circuit is DC, we mean that current in the circuit
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