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Car parking spaces in a city centre are at a premium. The costs of parking a car for a whole day in ten public car parks within the city, and the distances between those car parks and the city centre are:
(a) Assuming that the cost of parking is dependent on the distance the car park is from the city centre, plot the data on a scatter diagram.
(b) Find the value of the Pearson correlation coefficient and indicate what conclusions should be drawn from it.
Assume you. have a photodctcctor with a current rcsponsi vity of 5 AJW. A continuous wave HeNe laser with wavelength of 632.8 nm and spot size of 0.5 mm2 is incident on the active area of the detector. Assume that 6.37 x 1021 photons per m..
What are Denbigh reactions? Explain its specialcases.?Denbigh (1958) was the first to treatthe following rather general reaction schemeA1R3S-rA= k12CArR= k1CA - k34CRrS= k3CR24rT= k2CArU= k4CATUk12= k1+ k2k34= k3+ k4With CAo+ CRo+ CSo+ CTo+ CUo= C..
Determine the engine system mixture ratio and the system specific impulse.
Take thruster efficiency as 50%, specific impulse as 2600 sec, and specific power as 200 W/kg. This is not an optimum payload fraction; estimate an Is which would maximize the payload fraction with all other factors remaining the same.
The circuit is to be tuned to the first station at a frequency of 1000 kHz. In order to minimize the interaction between signals, the tuning circuit response must attenuate the signal of the second station (with a frequency of 1020 kHz) by four ti..
Is the proposed stead-state operation feasible - What is the corresponding length of wire that may be used in the heater for a maximum available voltage of 110V? What is the power rating of the heater?
In the two-shield configuration of part (a), the air gaps formed by the annular concentric tubes are L = 10 mm. Calculate the heat loss per unit length if the gap dimension is L = 15 mm. Do you expect the heat loss to increase or decrease?
If the selling price of the gas is $5.00 per GJ of higher heating value, what is the expected revenue in dollars per day? Normal conditions are 273.15 K (PC) and 1 atm.
determine the amount of heat and work, and the change in enthalpy and internal energy. Compare with the steam tables and discuss.
Explain why the resting potential does not equal the Nernst potential of any of the ions
An engineer is designing a control system for a chemical process with reagent concentration as the sole control variable. After determining that the system is not controllable, why is it impossible for him to control all the modes of the system by..
The column will operate at 1.1 bar and ambient temperature. If necessary, the aqueous stream may be recirculated to maintain a suitable wetting rate.
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