Wave frequency could be given in
a. 1/s.
b. s-1
c. Hz.
d. any of these.
d
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Exclusion Principle: How many 2d electron states can an atom have?
A. 0 B. 4 C. 6 D. 8 E. 10
We are able to define a mechanical equivalent for heat because
a. some thermal energy can be converted into mechanical energy. b. mechanical energy can be converted into thermal energy. c. work can be converted into thermal energy. d. some thermal energy can be converted into work. e. all of the above can occur.
How are metamorphic rocks formed?
What will be an ideal response?
Each y-direction force on frame ABCDEF below acts at the center of the bar segment to which it is applied. Support B is restrained against translation in the y and z directions only, and support C is restrained in the z direc- tion only. Support D is a pin support. Equilibrium of the frame requires that reaction force Cz is (in newtons):
(A) 80.8 N
(B) 67.7 N
(C) 14.8 N
(D) 92.2 N
