A steel bracket ABCD (EI 5 4.2 3 106 N # m2), with span length L 5 4.5 m and dimension a 5 2 m, is subjected to load P 5 10 kN at D. The maximum deflection at B is approximately:
(A) 10 mm
(B) 14 mm
(C) 19 mm
(D) 24 mm
(D) 24 mm
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The first stage of Earth's evolution is _____
A) cratering B) basin formation C) differentiation D) slow surface evolution
A machinist needs to remove a tight fitting pin of material A from a hole in a block made of material B. The machinist heats both the pin and the block to the same high temperature and removes the pin easily
What statement relates the coefficient of thermal expansion of material A to that of material B? A) Material B has a greater coefficient of expansion than does material A. B) The situation is not possible because heating block B will shrink the hole in the material as the material expands with increasing temperature. C) Material B has the same coefficient of expansion as does material A. D) Material A has a greater coefficient of expansion than does material B.
If the wavelength of sound is increased by a factor of 3, what happens to its speed and frequency?
1.Its speed increases by a factor of 3, and so does its frequency. 2.Its frequency increases by a factor of 3, but the speed stays the same. 3.Its frequency decreases by a factor of 3, but its speed stays the same. 4.Its speed decreases by a factor of 3, and so does its frequency.
Orbital Angular Momentum: What is the greatest magnitude of the orbital angular momentum L that you can find in a state with n = 6?
A. 5.48 
B. 5.92 
C. 6 
D. 6.48 