What is the ratio speeds of the boats
Speedboat A negotiates a curve whose radius is 156 m. Speedboat B negotiates a curve whose radius is 238 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats?
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The mix leaves the chamber at 200kPa and 70 dgree clecius, heat is lost to the surroundings at a rate of 190 Kj/min. Determine the rate of entropy generation during this process.
Calculate the number of grams of KCl that can be made from 4.0g of KOH reacts with an excess of Cl 2. K=39, Cl=35, O=16, H=1.0.
Design considerations limit the maximum normal stress is 74 ksi, the maximum shearing stress is 40 ksi, the maximum normal strain to 2200 uin/in and the maximum shearing strain to 2500 ur ad.
A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.035 mL, what volume of gas will be produced in the person's stomach at body temperature (37°C) and a pressure
A person pulls a toboggan for a distance of 20.0 m along the snow with a rope directed 30.0° above the snow. The tension in the rope is 96.0 N. How much work is done if the same tension is directed parallel to the snow?
When liquid B is replaced with liquid C, total internal reflection occurs for angles of incidence greater than 55.0°. Find the ratio nB/nC of the refractive indices of liquids B and C.
An ideal gas at 7°C is in a spherical flexible container having a radius of 1.10 cm. The gas is heated at constant pressure to 88°C. Determine the radius of the spherical container after the gas is heated. [Volume of a sphere = (4/3)pr3.]
If the temperature at which a certain compound melts is a random variable with mean value 120 degree Celsius and standard deviation 2 degree Celsius, what are the mean temperature and standard deviation measured in degree Fahrenheit?
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After a prolonged admission far from home and away from the parent, an 18-month-old toddler becomes depressed, withdrawn, and apathetic.
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