The full moon has an angular diameter of approximately ____________________ arc minutes for an observer located on the surface of Earth

Fill in the blank(s) with correct word


30
thirty

Physics & Space Science

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A cantilever beam with rectangular cross section (b 5 95 mm, h 5 300 mm) supports load P 5 160 kN at its free end. The ratio of the magnitudes of the principal stresses (?1/?2) at point A (at distance c 5 0.8 m from the free end and distance d 5 200 mm up from the bottom) is approximately:

(A) 5
(B) 12
(C) 18
(D) 25

Physics & Space Science

An incandescent lightbulb is rated at 100 watts when plugged into a 110 V rms household outlet. Calculate the resistance of the filament and the rms current.

A. 12.2 ?, 0.91 A (rms) B. 10 ?, 1.0 A (rms) C. 110 ?, 1.0 A (rms) D. 121 ?, 0.91 A (rms) E. 11 ?, 1.1 A (rms)

Physics & Space Science

White dwarfs have such a low luminosity that even the nearest white dwarfs are not visible to the naked eye

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

If an object is located 20 m to the right of the origin at 1:00 PM, and later the object is located 30 m to the left of the origin at 2:00 PM, then the displacement from 1:00 PM to 2:00 PM is

A. 50 m to the right. B. 50 m to the left. C. 30 m to the right. D. 30 m to the left. E. 10 m to the left.

Physics & Space Science