2. Physics
  3. Mechanics
  4. A speedboat moving at 30.0 m/s approaches

A speedboat moving at 30.0 m/s approaches

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A speedboat moving at 30.0 m/s approaches a no-wake buoy marker 100m ahead. The pilot slows the boat with a constant acceleration of - 3.50 m/s2 by reducing the throttle.
(a) How long does it take the boat to reach the buoy?
(b) What is the velocity of the boat when it reaches the buoy?

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