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- From the figure below: (a)Write each of the two vectors in terms of the unit vector i and j. (b)Find the scalar product A · B of the two vectors.ASAP1. A Christmas light hangs on a series of strings as shown in the figure 1. The tension on string a , Ta, is 0.48 N. What is the tension on string b? (a)
- 10: An airplane flew from Manila( 121o30' E, 14o N ) on a course of S 30o W and maintaining a uniform altitude. At what longitude will the plane crosses the equator? Select one: a. 113o 33' E b. 110o 28' E c. 114o 41' E d. 112o 38' EThe temperature of a cup of coffee t min after it is poured is given by the following equation where T is measured in degrees Fahrenheit. T=80 +90 e^(-0.055 t) a) What was the temperature of the coffee when it was poured? ___________________ F b) When will the coffee be cool enough to drink (say, 120 degrees F)? (Round your answer to one decimal place.) _________________ minAnswers are a) Bx = -2 & By = 2 b) 2.83, 135 degree counter clockwise How do you get these values?
- The weather channel said the current temp in Fairbanks Alaska is 50 degrees F while at the same time the temp in Mexico City was 50 degrees C what is the difference in temp between the two cities in the unit of K ??The weather channel reported that the current temperature at the town of Fairbanks Alaska is 50 °F. What is the corresponding value of this temperature on the Centigrade scale?Average Temperature for Tokyo, Japan (ºF) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 42 43 48 57 65 71 77 81 74 64 55 47 Line graph
- A person who is 6 feet and 3 inches tall and weighs 185 pound force ( lbf ) is driving a car at a speed of 65 miles per hour over a distance of 25 miles between two cities. The outside air temperature is 80° F . Let us convert all of the values given in this example from U.S. Customary units to SI units.a. The mean pressure of the surface of the Earth is 984 mbar, slightly less than the mean pressure at sea level, 1013 mbar. Use the barometric law (2.81) to calculate the mean altitude of the surface above sea level.b. Calculate the total mass of the atmosphere by considering that Force = Pressure * Area. The downward force of the atmosphere, by Newton’s Law, is the mass of the atmosphere times the acceleration of gravity. The mean pressure can be found above, and the area is the surface area of the earth. Use the average molecular weight of the atmosphere to calculate the number of moles of gas in the atmosphere.c. Use the number of moles of gas in the atmosphere and the mole fraction of N2O (Table 3.19) to calculate the number of moles and mass of N2O in the atmosphere.Between 0°C and 30°C, the volume V (in cubic centimeters) of 1 kg of water at a temperature T is given approximately by the formula V = 999.87 -0.064267 +0.00850437² - 0.00006797³ Find the temperature at which water has its maximum density. (Round your answer to four decimal places.) T = 3.97 X °C