What diameter must a copper wire have
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire with diameter 3.49 ?
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A car whose wheels are of radius r feet is driven at a speed v. A pebble is thrown from one of the wheels. For very large v, what angle fives the maximum launch height?
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Again, assuming that you plan to leave your heirs nothing, how much will you have to put away each year if you start saving when you are 20 years old? What if you start saving when you are 30? What if you start saving at 45?
Do you think the bank is taking more risk than its shareholders desire? How does the FDIC discourage the bank from taking too much risk? Why might the bank ignore the FDIC's effort to discourage excessive risk taking?
A smooth talking student has a 1/3 probability of talking a policeman out of giving him a speeding ticket. The probability that he is stopped for speeding during a given weekend is 1/2.
An investment will pay $150 at the end of each of the next 3 years, $200 at the end of Year 4, $300 at the end of Year 5, and $600 at the end of Year 6.
Extension cords are often made from 1.0 mm diameter copper wire. (a) What is the resistance per unit length of this wire? (b) an electric saw that draws 7.0 A of current is operated at the end of an 8 m long extension cord. What is the potential d
If there are 10 different screws in a box that are needed in a specific order for assembling a certain product, what is the probability of picking them in the correct order?
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