A nonprismatic cantilever beam of one material is subjected to load P at its free end. Moment of inertia I2 5 2I1. The ratio r of the deflection ?B to the deflection ?1 at the free end of a prismatic cantilever with moment of inertia I1 carrying the same load is approximately:
(A) 0.25
(B) 0.40
(C) 0.56
(D) 0.78
(C) 0.56
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Suppose an object is moving in a straight line at 50 mi/hr. According to Newton's first law of motion, the object will ________________.
Fill in the blank(s) with the appropriate word(s).
A sample of blood is placed into a centrifuge of radius 15.0 cm. The mass of a red corpuscle is 3.0 × 10^?16 kg, and the centripetal force required to make it settle out of the plasma is 4.0 × 10^?11 N. At how many revolutions per second should the centrifuge be operated?
What is the equivalent capacitance of the combination shown?
a.
29 µF
b.
10 µF
c.
40 µF
d.
25 µF
When light passing through a prism undergoes dispersion, the effect is a due to:
a. different wavelengths traveling at different speeds. b. different wavelengths refracting differently. c. different wavelengths having different indices of refraction. d. all of the above.