Find critical speed of half sized model of original shaft
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An elevator (cabin mass 530 kg) is designed for a maximum load of 3300 kg, and to reach a velocity of 3.5 m/s in 3 s. For this scenario, what is the tension the elevator rope has to withstand?
It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps.
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A 25 mm diameter uniform steel shaft is 600 mm long between bearings. If the goal is to double the critical speed, find the new diamters.
A 28kg suitcase is being pulled with constant speed by a handle that is at an angle of 30^\circ above the horizontal. If the normal force exerted on the suitcase is 180N , what is the force {F} applied to the handle?
Ginger Enterprises began the year with total assets of$630,000 and total liabilities of $334,000. Using this informationand the accounting equation, answer each of the followingindependent questions.
A long cylinder having a diameter of 90mm is placed in the tunnel and the axis of the cylinder is held perpendicular to the air flow. What is the force on the cylinder per meter length?
A moth at about eye level is 12 cm in front of a plane mirror; you are behind the moth, 34 cm from the mirror. What is the distance between your eyes and the apparent position of the moth's image in the mirror?
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