What tension must be applied to the string
A string is 33.5 cm long and has a mass per unit length of 5.70 10-4 kg/m. What tension must be applied to the string so that it vibrates at the fundamental frequency of 708 Hz?
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The capacity of an elevator is 10 people or 1520 pounds. The capacity will be exceeded if 10 people have weights with a mean greater than 1520/10=152 pounds. Suppose the people have weights that are normally distributed with a mean of 162 lb and a
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A string with a mass of 27 g and a length of 2 m is stretched under a tension of 68 N. How much power must be supplied to the string to generate a traveling wave that has a frequency of 48 Hz and an amplitude of 4 cm?
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A survey revealed that men spend an average of 11.4 min in the shower with standard deviation of 1.8 min. Assume a normal distribution. If 33 men are randomly selected find the probability that their shower times have a mean between 11.0 min and 1
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A game consists of tossing disks onto a table marked in squares of side a. If the disk does not touch any line or edge, the player wins. It is assumed that the player can at least hit the table.
A vector force with components (1,2,5) acts at the point (3,2,1) a) Find the vector torque about the origin due to this force
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