A ship has a mass of 40000 kg. its energy gives it an, Ask an Expert

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Q1. A glass sphere has radius R = 5.4 cm and index of refraction 1.70. A paperweight is constructed by slicing through the sphere along a plane that is 2.00cm from the center of the sphere, leaving height h = 3.08 cm. The paperweight is placed on a table and viewed from directly above by an observer who is distance d = 8.40 cm from the tabletop. While viewed through the paperweight, how far away does the tabletop appear to be to an observer?

Q2. A ship has a mass of 40000 kg. its energy gives it an acceleration of 0.27 m/s while it travels a distance of 105 meters from rest.

what force does the engine exert on the ship?

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