A resistor and an inductor are connected in series to a battery the battery is suddenly removed from the circuit and replaced by a wire to complete the current the time constant for the new circuit represents what percent of the time required for the current to decrease to

The boat's velocity relative to the riverbank can be resolved into two components. the component going north is 2.7 m/s and the component going west is 1.2 m/s.we add these two vectors and then find the magnitude of the resultant to get the speed.the magnitude of the resultant vector from adding can be obtained by the pythagorean theorem.    to two significant figures, the boat's speed relative to the riverbank is 3.0 m/s.

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