What is the total internal energy of 1.00 mole of an ideal gas at 100C?

A. 5,230 J
B. 4,650 J
C. 4,040 J
D. 3,950 J
E. 3,750 J


B. 4,650 J

Physics & Space Science

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A rectangular plate (a 5 120 mm, b 5 160 mm) is subjected to compressive stress ?x 5 24.5 MPa and tensile stress ?y 5 15 MPa. The ratio of the normal stress acting perpendicular to the weld to the shear stress acting along the weld is approximately:


(A) 0.27
(B) 0.54
(C) 0.85
(D) 1.22

Physics & Space Science

What is the phase angle in a series RLC circuit at resonance?

1.180° 2.90° 3.0 4.-90° 5.None of these answers is necessarily correct.

Physics & Space Science

In a Hertzsprung-Russell (H-R) diagram, points near the top of the diagram represent very low luminosity stars and points near the bottom represent very luminous stars

Indicate whether the statement is true or false

Physics & Space Science

Is light a wave or a particle?

A. a wave B. a particle C. both a wave and a particle at the same time D. neither a wave nor a particle E. Sometimes it is a wave, other times it is a particle.

Physics & Space Science