To get a flat, uniform cylindrical satellite spinning at thecorrect rate, engineers fire four tangential rockets asshown in the figure.If the satellite has a mass of 3200 kg , a radius of 4.9 m , 'and therockets each add a mass of 240 kg , what is therequired steady force of each rocket if the satellite is to reach 30:rpm in 5.5 min , starting from rest?End view ofcylindricalsatellite

Given Data Mass of satellite is : Ms=3200 kg Radius is: R=4.9 m Mass of rocket is : MR=240 kg Final…

Answered: To get a flat, uniform cylindrical…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The propeller on Don Karnage's airplane can be modeled as three identical thin rods of uniform density extending radially from the rotational axis of the propeller. To take off, the propeller must accelerate from rest to 633 rpm in 4 s. If the length and mass of each rod are 0.872 m and 3.11 kg, what must be the magnitude of torque in N*m) necessary to accelerate the propeller? Explain how you solved the problem involving something undergoing angular acceleration Be sure to state what your known and unknown quantities are, what concepts were applied, and what equations were used!
What is the maximum power generated by the wind farm with wind speed of 4 m/s? Typical wind turbines have rotor diameters from 40 m to 90 m (Assume increment of 5 m for this problem)-40 m is 80% efficient and efficiency decreases by 5% for every 5 m increase in diameter (i.e. 45 m=75%, 50=70...)-The ridge is 10 km long and wind turbines will be spaced in a single row. •Power in the wind per unit area of circular area is 1/2ρv3W/m2 (v is the wind speed, ρ is 1.3 kg/m3 for air) •Wind turbines cannot be spaced closer than 5 times its diameter without loosing power also there are no partial turbines.
The New England Merchants Bank Building in Boston is 152 m high. On windy days it sways with a frequency of 0.17 Hz, and the acceleration of the top of the building can reach 2.0% of the free-fall acceleration, enough to causediscomfort for occupants. What is the total distance, side to side, that the top of the building moves during such an oscillation?
This is a dynamics problem. Answer: kO = 2.17 m
Suppose you are designing the propeller of a radio-controlled model airplane. The overall diameter of the propeller is 34.0 cm, and the hub assembly diameter is 5.5 cm. The propeller rotates at 1700 rpm, and the airfoil chosen for the propeller cross section achieves its maximum efficiency at an angle of attack of 14°. When the airplane flies at 30 mi/h (13.4 m/s), calculate the blade pitch angle from the root to the tip of the blade such that ? = 14° everywhere along the propeller blade.
The double slide mechanism mentioned above moves in a horizontal plane. Limb number 4 it slides downward at a constant speed of 10 m / s. For this given kinematic case, link 2 Find the strength and direction of the required force F on it. (Of limbs 2 and 4 small enough to be negligible in size)
A 0.95 kg block connected to light spring with force constant 150 N/m is free to oscillate on a frictionless, horizontal surface. The block is released from rest when the spring is stretched 15.0 cm. What is the speed of the block midway of the stretched position?
You are given a drone with an average chord length of 8 in., a wingspan of 2.5 ft, and a weight of 300 g. Based on figure 2, would it stay in the air at a speed of 5 m/s? (Assume ρ=1.225 kg/m3 and Nu=1.516*10-5 m^2/s)
A Lazy Susan (M=0.5 kg) in the shape of a disk is free to rotate about its center withoutfriction. It is initially motionless when a Texas-sized cockroach (m=10 g) starts runningCCW along the rim. The angular speed of the Lazy Susan is then 1 rad/sec. With whatspeed is the cockroach running (in the rest frame of the table, not the Lazy Susan)? (What more data should be given according to you? If the question seems incomplete to you...)
what is the tension T1 in a cord attaching a baby to a scale? what is the tension T2 in the cord attaching the baby to the ceiling? The mass of a rocket sled is 2100KG and the force of friction opposing the motion is 640N. The thrust for the sled is 25900N. What is the acceleration in Metres per second second? A 1140 KG artillery shell is fired from a battleship,.W,hile it is in the barrel of the gun, it experiences an acceleration of 2.2 x 10^4 m/s^2. what net force is exerted on the artillery shell before it leaves the barrel of the gun in Newtons. What is the magnitude of the force exerted on the ship by the artillery shell in Newtons?
using the concept and formulas in dynamics of rigid bodies
Please do this specific question with these specific data as many have post it with different data! The ABC lift is at rest. You want to estimate the momentum that ABC exerts in C if the weight of A is 105 kg. AB is 12.15 m and weighs 400 kg, BC is 2.7 m and weighs 150 kg. Approximate AB and BC as evenly thick everywhere and homogeneous. Point A is 13.5 m above C in height and B is 2,025 m above C in height. A) What is the moment of force that ABC exerts in C if positive value is counterclockwise in the image? B) If AB instead weighs 150 kg and BC weighs 400 kg, but all other quantities are the same, calculate the torque in C.What is the moment of force that ABC exerts in C with these masses, if positive value is counterclockwise in the picture?

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