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Unformatted text preview: paintball and bob could not be conserved in this experiment because of the large frictional forces between the bob and the entering paintball. 6 ! What percentage error is produced in v pend by using the approximate relationship for h obtained from the binomial expansion? Explain. See pages 3 and 4 of the lab handout. 7 ! Does using the approximation increase or decrease the calculated value of v pend ? 8 ! Combine Equations ,  and  in the lab handout to obtain a single expression for the velocity of the paintball, v ball , in terms of d , L , g , m ball and m pend ....
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