In Problem 2.7, the moment of force F and couple M about line AC is (in-lb):

(A) 14.4i – 19.2j 2 24k
(B) 218.4i – 19.2j 1 28k
(C) 214.4i – 29.2j 1 24k
(D) 214.4i – 19.2j 1 24k


(D) 214.4i – 19.2j 1 24k

Physics & Space Science

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The number of seconds in a 30 day month is

a.
b.
c.
d.

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A diatomic molecule is vibrating in its first excited quantum state above the ground state

In that excited state, its frequency is 2.0 × 1013 Hz. What is the energy of the molecule in this state? (h = 6.626 × 10-34 J • s, h = 1.055 × 10-34 J • s, 1 eV = 1.60 × 10-19 J A) 0.041 eV B) 0.083 eV C) 0.15 eV D) 0.12 eV E) 0.17 eV

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Venus can appear as a crescent through the telescope

Indicate whether the statement is true or false

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Fill in the blank(s) with correct word

Physics & Space Science