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Q: An ammonia simple saturation cycle operates at 35 psia suction pressure and 172 psia condenser…
A: Given: The suction pressure, Ps = 35 psia = 241.316 kPa The condenser pressure, Pd = 172 psia =…
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Q: An ammonia simple saturation cycle operates at 35 psia suction pressure and 172 psia condenser…
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Q: 260 MPa, the transmission torque of this shaft is 160 N·m, and it is subjected to a uniform axial…
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- Using the relation given in Prob. 18.121, determine the period of precession of the north pole of the earth about the axis of symmetry of the earth. The earth may be approximated by an oblate spheroid of axial moment of inertia I and of transverse moment of inertia I’= 0.9967I. Actual observations show a period of precession of the north pole of about 432.5 mean solar days; the difference between the observed and computed periods is due to the fact that the earth is not a perfectly rigid body. The free precession considered here should not be confused with the much slower precession of the equinoxes, which is a forced precession. See Prob. 18.118.)Wind energy is gaining increased attention, generating an increased interest in windmill technology. Because windmill blades (vanes) rotate about a central axis, one of the most important physical properties of a windmill is its moment of inertia. Given is a picture of a typical windmill, where the geometry and center of mass of one of the vanes is illustrated. The mass of each vane is 411 kg. The distance from the center of mass of the vane to axis B is ?1=2.85 m. The distance from the center of mass of the vane to the center of the windmill hub is ?2=4.42 m. If the moment of inertia of a vane about axis A is 445 kg·m2 and about axis B is 10800 kg·m2, calculate the moment of inertia ?total of the entire assembly about the axis that passes through the windmill's hub and is perpendicular to the screen. (Ignore the hub and assume the vanes are flat.)ASAP, answer A, B and C, I will LIKE if all are answered. Thanks A. The mass moment of inertia of a cylinder about its central axis perpendicular to a circular cross section is a. Directly proportional to its radius b. Directly proportional to its length c. Independent of its radius d. Independent of its length B. A projectile is thrown with a speed of 120ft/sec in a direction 41 degrees above the horizontal. Determine the highest point to which it rises ymax. A. 90.25 B. 102.14 C. 103.17 D. 96.24 C. A 60 lb ball is dropped from a height of 48ft. What is the velocity of the ball just before impact? a. 9.8 ft/s b. 55.6 ft/s c. 39.3 ft/s d. 31 ft/s
- Given that P = 50N, and the rod has mass = 0.370 kg with centroidal mass moment of inertia l = 37/19200 kg-m²:a. Which of the equations given in the second image can be used to solve for the angular acceleration of rod BD?b. What is the angular acceleration of rod BD?What is the relation between moment of inertia and angular velocity?The mass moment of inertia I of a homogeneous sphere about its diameteris I = (2/5)m R², where m and R are its mass and radius, respectively. Find thedimension of I in terms of the base dimensions of (a) a gravitational [FLT] systemand (b) an absolute [MLT] system.
- What is principal axes of inertia?(a) Show that the polar radius of gyration kO of the annular area shown is approximately equal to the mean radius Rm= (R1 + R2)/2 2 for small values of th thickness t= R2 - R1. (b) Determine the percentage error introduced by using Rm in place of kO for values of t/ Rm respectively equal to 1, 1/2 and 1/10.Fig. P9.19A spacecraft must be maneuvered through an angle of 6O-deg in 30 s. The spacecraft moment of inertia is 8000 kg-m^2; the thrusters are located at a radius of 2.2 m from the center of mass. What is the minimum thrust level for the thrusters? Answer : 1.90 N. Don't give me wrong answers. correct answer is 1.90....show me how
- Determine the mass moment of inertia for the following objects: a thin disk, circular cylinder, and a sphere. Refer to Equations (9.10) through (9.13) for appropriate relationships. If you were to place these objects alongside of each other on an inclined surface, which one of the objects would get to the bottom first, provided that they all have the same mass and diameter?What is a kinematic coefficient and how does it relate to effective inertiaThis is a dynamics problem. Answer: IO = 1.13 kg*m2