Modern oil tankers weigh over a half-million tons and havelengths of up to a qua

Question

Modern oil tankers weigh over a half-million tons and havelengths of up to a quater of a mile. Such massive ships require aditance of 5.0 km (about 3.0 mi) and a time of 22 min to come to astop from a top speed of 27 km/h. (a). what is the magnitude of such a ship's averageacceleration in m/s^2 in coming to a stop?-----m/s^2 (b). What is the magnitude of the ship's average velocity inm/s?----m/s (c). comment on the potential of a tanker runningaground. Modern oil tankers weigh over a half-million tons and havelengths of up to a quater of a mile. Such massive ships require aditance of 5.0 km (about 3.0 mi) and a time of 22 min to come to astop from a top speed of 27 km/h. (a). what is the magnitude of such a ship's averageacceleration in m/s^2 in coming to a stop?-----m/s^2 (b). What is the magnitude of the ship's average velocity inm/s?----m/s (c). comment on the potential of a tanker runningaground.

Explanation / Answer

a) v = 2.7 * 10E4 m / 3600 sec = 7.5 m/s a = v / t = 7.5 / (22 * 60) = 5.68 * 10E-3 m /s2 b) vavg = (vi + vf) / 2= 3.75 m/s c) F = m a = m v / t = p /t        where p isthe change in momentum because of the enormous mass involved the change in momentumis also enormous resulting in enormous forces involved when the change inmomentum occurs in a very short time b) vavg = (vi + vf) / 2= 3.75 m/s c) F = m a = m v / t = p /t        where p isthe change in momentum because of the enormous mass involved the change in momentumis also enormous resulting in enormous forces involved when the change inmomentum occurs in a very short time

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