Percent Error : |(Theoretical Value) – (Experimental Value)| Theoretical Value x 100% Here the "theoretical" value is your guess and the "experimental" value is your measurement. These may be unusually large in this case because of your guessing. Using your values from Steps 4 and 5, calculate percent error and record below. Object Percent Error Mass of tape 14.872 % Mass of tennis ball 4% Mass of textbook iphone 9.063% Mass of wire 0% Show your calculations (do not forget to include your equation and proper units) 15667 179.2om X )00%,= 14.872°% cm tape dennis ball 5 co-52.20m100%= 4%Lm iphone= 160om - 1745cm xl00% = 9.0637,cm Il60 cm 0-3am - U.3cm 0.3eñm

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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.