The reaction forces at B (components By and Bz) for the space truss shown below are:
(A) By 5 211.6, Bz 5 23.5 kips
(B) By 5 11.6, Bz 5 223.5 kips
(C) By 5 223.5, Bz 5 11.6 kips
(D) By 5 23.5, Bz 5 211.6 kips
(A) By 5 211.6, Bz 5 23.5 kips
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If the speed of a continuous wave is constant, as you increase the frequency of the wave, the wave must have a proportionally _________ wavelength
Fill in the blank(s) with correct word
A system of a proton and a neutron has a net charge of
a. +1.6 × 10^-19 C. b. –1.6 × 10^-19 C. c. 3.2 × 10^-19 C. d. zero.
If a proton inside the nucleus of an atom suddenly turned into a neutron, while the atom retained its original number of electrons, what properties of the atom would change?
A) only its atomic number B) only its atomic mass number C) only its electrical charge D) both its atomic number and atomic mass number, but not its electrical charge E) both its atomic number and electrical charge, but not its atomic mass number
Earth and the moon could not have condensed from the same materials because they have different densities and compositions
Indicate whether the statement is true or false