READ THIS CAREFULLY AND COMPLETELY Physics Exam Instructions may talk to us abou

Question

READ THIS CAREFULLY AND COMPLETELY Physics Exam Instructions may talk to us about the problems. You You may work together on this exam to solve problems. You of class to may post on blackboard and ask about problems. You should not work with people outside solve any problems solution should include motion diagrams and graphical representations as necessary. Solutions should clearly and concisely. It might to instructions at points solution. Very importantly you must write your own explanation describing the physics of the solution to the The is really appropriate to reference you solution essay independent. essay is to be your work alone. You should justify any assumptions and describe the these assumptions (if they are wrong or used purely for achieving a simple solution). You need not explain the math, only the physics. You must include results in your We do not want to have to refer back to your work to get the answer. MUST STANDALONE! When talking about a in situation, the associated pictures and diagrams must be there so that the reader need not jump around the document. are trying to PLEASE the reader (also known as the grader). There will be the need to do some research to get masses of objects, reasonable sizes, coefficients of friction, etc. as needed to solve a problem. Grading: All solutions will have the 30 second rule applied. The 30 second rule means that if the grader cannot figure out what you are doing in 30 seconds, you get a zero. Not drawing proper diagrams with proper labeling, inappropriate use of vector signs, and lack of units will get an additional 1 point per occurrence deducted. Specific Instructions Each question should be completed separately. Do not turn them in as a single packet. They are to be separated by problem so make sure your name is on each and itincudes the essay and your work attached. Remember, we do not grade the work. The essay stands alone! Essay's must be typed! You can hand draw and write in equations, figures etc., but everything else is to by typed. DO NOT have diagrams split over separate pages. e.g. force tables need to be on the same page as its associated diagram.

Explanation / Answer

As they have 4 pounder canon with 20 balls, they can start firing one by one in the opposite direction. If it fired with velocity v then in order to conserve momentum boat will gain relative momentum towards the island and the captain will keep doing so until they reach the island.As they fired 20 balls of mass 4 lbs with velocity V, they gain 20V momentum on slowly reducing mass of the boat and so the ship can safely reach to the island.

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