As a midsummer event, your sailing club schedules a three-day trip. On day one, you sail from the club site to an island 7.00 km in a direction 32.0° west of north. On day two, you sail to a second island in a direction 65.0° east of south, and on day three, you return to the club by sailing 40.0° south of west. Determine the following. (a) distance between the first and second island      km (b) distance between the second island and the club site      km

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.