Find out the current in the cylinder
A 87.0g hollow copper cylinder is 80.0cm long and has an inner diameter of 1.0cm. The current density along the length of the cylinder is 1.70 x 105 A/m2. What is the current in the cylinder?
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What is the tension in the rope on both sides, T1 and T2? (Note that for a massive pulley, they do not need to be equal!)
An aircraft has 212 seats. When someone buys a ticket for a flight, there is a 0.0591 probability that the person will not show up for the flight. A ticket agent accepts 217 reservations for a flight that uses the plane. Find the probability that
What is the theoretical limit of the number of electrons that can occupy the principal quantum level n = 5 in one atom?
A company issues credit cards and uses software to detect fraud. After tracking the spending habits of one consumer, it was found that charges over $100 constitute 30.2% of the credit transactions. Among 41 charges made this month, 14 involve tota
Suppose the prevalence of a disease is 2 per thousand people. A screening test has a specificity of 95% and a sensitivity of 99%. Describe each of the probabilities.
Make use of the Navier Stokes equation to determine the relationship between the discharge and the other parameters involved, for the case in which the change in pressure along the channel is zero.
A current of 0.2 A to the right flows through a wire. One meter of wire is placed in a magnetic field that is directed into the page with a magnetic field strength of 100 T. What is the magnetic force on the wire?
In a survey of 1224 people, 837 people said they voted in a recent presidential election. Voting records show that 66% of eligible voters actually did vote. Given that 66% of eligible voters actually did vote, find the probability that among 1224
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