The Chandrasekhar mass limit is:

A) .08 solar masses.
B) .4 solar masses.
C) 1.4 solar masses.
D) 3 solar masses.
E) 8 solar masses.


C

Physics & Space Science

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An alpha particle is moving at a speed of 5 × 105 m/s in a direction perpendicular to a uniform magnetic field of strength 4 × 10-2 T

The charge on an alpha particle is 3.2 × 10-19 C and its mass is 6.6 × 10-27 kg. (a) As the alpha particle moves, its velocity is directed (b) The magnitude of the force on the alpha particle is

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A steel bracket ABCD (EI 5 4.2 3 106 N?m2), with span length L 5 4.5 m and dimension a 5 2 m, is subjected to load P 5 10 kN at D. The maximum deflection at B is approximately:

(A) 10 mm
(B) 14 mm
(C) 19 mm
(D) 24 mm

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The area in the Sun's atmosphere located above the chromosphere (1,500 - 10,000 km) where the temperature rises dramatically is called the

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