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Question: The motion of a very massive object can be minimally affected by what would seem to be a substantial force. Consider a supertanker, with a mass of 2.3×10 ⁸ kg. Suppose you strapped two jet engines (thrust force of a small jet engine is 50,000 N) onto the sides of the tanker.

Part A: Ignoring the drag of the water (which, in reality, is not a very good approximation), how long will it take the tanker, starting from rest, to reach a typical cruising speed of 6.0 m/s?

Please give me an explanation for above question.

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