What voltage is required to give the plates of a 270-pF capacitor a charge of 7.3×10−9C? Express your answer to two significant figures and include the appropriate units.

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Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.