Calculate the power needed to overcome skin friction
A flat-bottomed barge, 25 m long and 10 m wide, submerged to a depth of 1.5 m, is to be pushed up a river at a rate of 8.6 km/hr. Calculate the power needed to overcome skin friction (in kW) if the temperature of the water is 15oC.
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A man can row a boat at a speed of 6.00 km/h in still water. if he is crossing a river where the current is 3.00 km/h in what direction should his boat be headed if he wants to reach a point directly opposite his starting point?
An elevator, having a weight of 500 lb, needs to be lifted a distance y = 20ft, starting from rest and then stopping after at t=6 sec. A single motor and cable-winding can be mounted anywhere and used for the operation.
A plate produces a diffraction pattern with a central bright maximum, and minima at 3, 6, and 9 cm from the center of this maximum. Is this a double-slit plate or a single-slit plate?
What is the optimal number of cases to have on hand to minimize expected total costs in a single week? show calculations. What is the expected cost?
A soccer ball is kicked at an angle of 62 degrees to the horizontal, with an initial speed of 18 m/s. Assume for the moment that we can neglect air resistance. How long is the ball in the air (in s)?
The weights of a random sample of 49 university male first-year students yielded a mean of 165 pounds and a standard deviation of 6.5 pounds. Determine a 90% confidence interval for the mean weight of all university male first-year students.
A heat engine utilizes a heat source at 460°C and has an ideal (Carnot) efficiency of 30%. To increase the ideal efficiency to 40%, what must be the temperature of the heat source?
Decide whether the random variable x is discrete or continuous. x represents the total number of die rolls required for an individual to roll a five.
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Research Questions: How does social media influence interpersonal communication among different age groups?
Question: How did the Great Depression impact people psychologically? More people were admitted into mental hospitals.
Why is it important to have more than one kind of methodology available to conduct research? Please give some references.
In conclusion, the good book says, "Finally, brothers and sisters, whatever is true, whatever is noble, whatever is right, whatever is pure
Deliver a presentation that demonstrates your ability to use moral imagination, structured decision-making and ethical leadership principles
Should companies (e.g., CBS Sports) be able to offer fantasy sports options using college football and basketball players' names and likenesses?
write a short position on whether student-athletes should or should not be compensated for the use of their names and likenesses.