Determining the weight of the plane
An airplane has an efficient wing surface area of 15 m2 which is producing the lift force. In level flight the air speed over the top of the wings is 63.9 m/s, whereas the air speed below the wings is 51.5 m/s. Determine the weight of the plane?
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Determine (i) the capacitance in pico farads, (ii) the magnitude of the charge in nano-coulombs on each plate, (iii) the stored energy in micro-joules, (iv) the electric field in N/C among the plates, (v) the energy density among the plates.
There are 15 boys as well as 30 girls in class and 10 are to be randomly chosen for special project. What's the probability that exactly three boys will be selected?
Water flowing out of the horizontal pipe emerges via a nozzle. The radius of pipe is 2.1 cm, and the radius of the nozzle is 0.47 cm. The speed of the water in the pipe is 0.67 m/s. Treat the water as an ideal fluid, and finds out the absolute pre
The explanatory variable is the score on the computer-based memory test. The response variable is the amount of caffeine consumed.
A college's data regarding the incoming freshman points to that the mean of their high school gpa was 3.4 with the standard deviation of .35; the distribution was roughly mound shaped as well as only slightly skewed. The students are randomly assi
A water line having an internal radius of 0.00580 m is joined to a shower head which consists of 14 holes. The speed of the water in the line is around 1.2 m/s. (i) Determine the volume of flow rate in the line?
About 870 men took part in the study to study the effectiveness of the hormone therapy. Half of the men were chosen randomly to come in and get the hormone therapy while the other half were told to stay home and thus didn't receive the therapy.
Find out whether function is symmetric with respect to y-axis, symmetric with respect to the x-axis, symmetric with respect to origin, or none. y=-2x^5+7x^3.
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