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Question: A wooden beam, dressed size 6 by 8 in and 12 ft long, supported at the ends, carries a load of 2000 lb at the middle of the span.
a. What is the unit shearing stress at the neutral axis?
b. What is the unit shearing stress at a point 3 ft from the end and 2 in from the neutral axis?
c. What is the maximum bending stress in the beam?
Suppose that a sprinter is capable of an acceleration of 4 m/s2 over the first 14 m, and from then on runs at top speed. Determine what is her time for the 100 m sprint
A small spherical insulator of mass 3.34 × 10-2 kg and charge +0.600 C is hung by a thin wire of negligible mass. A charge of -0.900 C is held 0.150 m away from the sphere and directly to the right of it, so the wire makes an angle by the vertical (s..
An explosion of a 10.0-kg bomb releases only two separate pieces the bomb was initially at rest and a 4.00-kg piece travels westward at 100 m/s immediately after the explosion. What are the speed and direction of the other piece
a circular disk with a non-uniform mass density is spinning at an angular frequency of 8 s-1 about its axis without
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Address the realities of life for the cultures you have examined. Examine some of the social problems and public policy issues that become apparent
A 120cm3 box contains helium at a pressure of 1.50atm and a temperature of 80.0?C. What is the initial thermal energy of each gas
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