Each pulley has a weight of 10 lb. (Figure 1) Figure 2 in 1 of 1 F Part A Determine the force P needed to suspend the 160-lb weight. Express your answer in pounds to three significant figures. VAE Ivec Submit Part B Also, what is the cord reaction at A? Express your answer in pounds to three significant figures. Request Answer ΕΨΕΙ ΑΣΦ 111 vec R. Pearson ? ? lb

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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.