Identify with an H or L to which family, hadron or lepton, each of the following belong: proton; neutrino; pion; tauon
What will be an ideal response?
H; L; H; L
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A solar or lunar eclipse will occur
a. when the sun is near the line of nodes of the moon and the moon is new or full. b. any time the moon is new or full. c. when the sun is near the solstice and the moon is new or full. d. half way through an eclipse year. e. when the sun is near the equinox and the moon is new or full.
The absolute temperature of an ideal gas is directly proportional to which of the following quantities?
A) the average speed of its molecules B) the average momentum of its molecules C) the average kinetic energy of its molecules D) the mass of its molecules E) It is proportional to all of the above quantities.
Support reaction Cy in the truss below is:
(A) 200 N
(B) 250 N
(C) 500 N
(D) 650 N
Newton's second law focuses on
A) speed. B) velocity. C) acceleration. D) none of the above