300 mm 200 mm 20 mm 90 mm 20 mm V 20 mm At the level of maximum shear stress, what is the value of "t" (not tau) ? Hint: Check shear stress at the neutral axis and junction where t is smaller.

#8 A steel tape (a = 1.300 E−5 per Celsius degrees) measures 200.0 m at 15.00 degrees Celsius. Its length at 55.00 degrees Celsius is  a 190.1 m  b 199.9 m  c 200.1 m  d 210.1 m  e 210.5 m

20. The elevation of a tower from two points, one due east of the tower and the other due west of it are 20° and 24°, respectively, and the two points of observation are 300m apart. Find the height of the tower. 22 A. 65 m C. 70 m 514 B. 60 m ert 30 200 D. 75 m 193 21. A hallow shaft has an outside diameter of 6.25 cm and a cross- sectional area of 25.45 cm². Find the inside diameter in cm. A. 2.41 C. 2.58 B. 2.69 m 14.55 D. 2.76 M 22. The area of a rectangle is 23.6 cm² and its width is 3.10 cm shorter than its length. Determine the diagonal of the rectangle. A. 7.538 cm 919m 91supan C. 7.426 cm oni onimisted B. 7.635 cm BABE D. 7.784 cm rador of 24% and

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