A steel beam (E 5 210 GPa) with I 5 119 3 106 mm4 and span length L 5 3.5 m is subjected to uniform load q 5 9.5 kN/m. The maxi-mum deflection of the beam is approximately:
(A) 10 mm
(B) 13 mm
(C) 17 mm
(D) 19 mm
(B) 13 mm
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The figure below shows the orbit of a comet about the sun. The comet has the greatest velocity when traveling
A. from A to B.
B. from B to C.
C. from C to D.
D. from D to E.
An extremely long thin wire carries a uniform linear charge density of 358 nC/m
Find the potential difference between points 5.0 m and 6.0 m from the wire, provided they are not near either end of the wire. (k = 1/4??0 = 8.99 × 109 N ? m2/C2) A) 0.215 kV B) 1.2 kV C) 6.0 kV D) 0.21 kV
Which of the following is not a property of a ceramic such as alumina?
(a) A high melting temperature (b) A high resistance to fracture (c) It is a good insulator. (d) It is inorganic.
Which has the events in the right order, from early to late?
A.) Star formation, quark soup, protons form, atoms form, nucleosynthesis. B.) Quark soup, protons form, nucleosynthesis, atoms form, star formation. C.) Nucleosynthesis, star formation, protons form, atoms form, quark soup. D.) Quark soup, atoms form, star formation, protons form, nucleosynthesis. E.) Atoms form, star formation, protons form, quark soup, nucleosynthesis.