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Solve Prob. 8.108 assuming that the flat belt and pulleys are replaced by a V belt and V pulleys with a =36°. (The angle α is as shown in Fig. 8.15a.)
Prob. 8.108 A flat belt is used to transmit a couple from pulley A to pulley B. The radius of each pulley is 60 mm, and a force of magnitude P = 900 N is applied as shown to the axle of pulley A. Knowing that the coefficient of static friction is 0.35, determine
(a) the largest couple that can be transmitted,
(b) the corresponding maximum value of the tension in the belt.
If a single deposit of $25000 is invested at 1.75% yearly interest, what equal year-end withdrawals can be made each year for 10 years, leaving nothing in the fund after the 10th withdrawal? How much money was made in interest over the initial invest..
Butene H2C=CH-CH2-CH3 can be reacted to form isotactic polybutene (PB).What is the value of the degree of polymerization n of isotactic PB with a molecular weight of 3.091×105 g/mol?
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