A stationary object in a flow of speed 27 m/s produces a drag force of 13 N. The flow speed is then changed to 25 m/s. What will be the drag force if the Drag Coefficient and density are assumed constant? Give your answer in Newtons to 2 decimal places.

Global warming will produce rising sea levels partly due to melting ice caps and partly due to the expansion of water as average ocean temperatures rise. To get some idea of the size of this effect, calculate the change in length, Ah (in mm), of a column of water 1.5 km high for a temperature increase of 1.2 °C.Assume the column is not free to expand sideways. As a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to the surface can expand sideways onto land, and only to a limited degree. As another approximation, neglect the fact that ocean warming is not uniform with depth. Properties of water: 3 = 210 x 10 /C. c= 4186 J/kg - °C, L; = 334 kJ/kg, Le = 2256 kJ/kg Enter you answer below (to the nearest mm): Ah (in mm) = Type your answer.

A fluid flows over a flat surface at 475 m/s. How much energy (in Joules) is generated in the boundary layer per kilogram of fluid? Give your answer to zero decimal places.

A jet flights with a speed of 291 m/s . If the jet's engine has a power of 1,462,823 W. what is the air resistance? Calculate answer to one decimal

The airplane weighs 144100 lbs and flies at constant speed and trajectory given by 0 on the figure. The plane experiences a drag force of 73620 lbs. 0 a.) If 11.3°, determine the thrust and lift forces = required to maintain this speed and trajectory. b.) Next consider the case where is unknown, but it is known that the lift force is equal to 7.8 times the quantity (Fthrust Fdrag). Compute the resulting trajectory angle and the lift force in this case. Use the same values for the weight and drag forces as you used for part a. 20. YAAY' Farag Ө Fthrust CC + BY NC SA 2013 Michael Swanbom Flift Fweight The lift force acts in the y' direction. The weight acts in the negative y direction. The thrust and drag forces act in the positive and negative x' directions respectively. Part (a) The thrust force is equal to 101,855 ☑ lbs. The lift force is equal to 141,282 ☑ lbs. Part (b) The trajectory angle 0 is equal to 7.31 ✓ deg. The lift force is equal to 143,005 ☑ lbs.

Assuming air resistance with drag ratio =0.50 find the terminal velocity for an object, initially suspended at the height Yo = 750 m above the Earth and dropped with v(0) = 0 m/s. Use gravitational accelerationg = 9. 8 m/s² . Round your answer to 2 decimal places. т

A turbine with a power coefficient Cp = 0.26 is able %3D to generate 3.5 MW of electrical power with blades of length R =61 m. What is the value of the wind speed? Calculate the value in meters/second and round off to two decimal places. Do not write the unit.

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A block of mass m slides along a horizontal surface lubricated with a thick oil which providesa drag force proportional to the square root of velocity.F_d=-bv^1/2If v = v0 at t = 0, determine v as a function of time

An airplane is flying at a speed of 277 ft/s through air with density 1.06 ×10−3 slug If the airplane . ft ³ has an angle of attack -4.2 degrees, and the total wing area is 164, find the amount of lift generated by the wing. Provide your answer in pounds. Sectional Lift Coefficient [-] 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -15 5 -10 -5 0 Angle of Attack [degrees] 10 15 20