A speedboat moving at 30 ms approaches a no-wake buoy, Ask an Expert

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Q. How strong is the electric field between the plates of a 0.60 mu F air-gap capacitor if they are 1.0 mm apart and each has a charge of 76 mu C?

Q. A speedboat moving at 30.0m/s approaches a no-wake buoy marker 100m ahead. The pilot slows the boat with a constant acceleration of negative 3.50 m/s^2 by reducing the throttle. How long does it take the boat to reach the buoy?

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