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Q. A boat's speed in still water is 1.95 m/s . The boat is to travel directly across a river whose current has speed 1 m/s . Determine the speed of the boat with respect to the shore.

Q. What tension in Newtons must a 50 cm length of string support in order to whirl an attached 2000 g stone in a circular path at 5 m/s?

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