l7 - Today Announcements HW#4 is due by 8:00 am Wednesday...

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ISP209s8 Lecture 7 -1- Today • Announcements: – HW#4 is due by 8:00 am Wednesday February 14th. – The second and third extra credit assignments are open and are due in two weeks at 8:00 am on Feb 13 th – Exam #1 is next week on Thursday, there is an important review lecture on Tuesday General Relativity
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ISP209s8 Lecture 7 -2- Something to tell your friends about… 2 Newton’s second law of force tell us that
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ISP209s8 Lecture 7 -3- Picture The following is a picture of a chemical reaction: Start with some initial mass (kg) Something happens End up with some final mass (kg) f- see the table on the next page Some fraction, f, is converted to energy ENERGY (Joules, J) The amount of energy is E = m converted c 2 m converted = (Mass to start) x fraction
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