Finding the tension in the string
A 10.5-kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Calculate the tension in the string. Hint: take torques about the corner and assume any length for the board.
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Suppose that intrests rates offered for refinancing are normally distributed with a mean of 3.0% and standard deviation of 0.2%. What is the probability if you randomly select an offer that it will be between 2.6 and 2.9%.
Determine the power input to the fan, the exit volume flow rate, and the inlet and exit velocities. Assume that air behaves as an ideal gas with constant specific heats.
In 2008, the per capita consumption in Country A was reported to be 8.3 kh or 18.23 pounds. Assume that the per capita consumption of coffee in Country A is approximately distrubited as a normal random variable, with a mean of 18.23 pounds and a S
In a sample of 270 households in a certian citym 210 had high speed internet access. can you conclude that more than 70% of the households in this city have high speed internet acces? round p to four decimal places and z to two decimal places. Wha
Calculate the launch speed of a projectile that rises vertically above the earth to an altitude equal to one earth radius before momentarily coming to rest. Beware you cannot use the old expression of PE = mgh.
Suppose random poll of 632 likely voters in Alabama found that 373 feel that daylight savings time should be abolished. What is a 90% confidence interval for the percentage of voters in Alabama who think daylight savings time should be abolished?
Equity Swap- Explain how an equity swap could allow Marathon Insurance Company to capitalize on expectations of a strong stock market performance over the next year without altering its existing portfolio mix of stocks and bonds.
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