Applications to Astronomy: Many supernovas are thought to result in

A. neutron stars.
B. red giant stars.
C. regular stars like our sun.
D. white dwarfs.


Answer: A

Physics & Space Science

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___________ have elongated nuclei with spiral structure extending from the ends of the elongations. The Milky Way is a member of this class of galaxy

a. Spiral galaxies b. Barred spiral galaxies c. Elliptical galaxies d. Irregular galaxies e. S0 galaxies

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The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes it 0.90 s to reach the floor. What is the mass m of the other block? The pulley has no appreciable mass or friction

A) 60 kg B) 54 kg C) 48 kg D) 42 kg

Physics & Space Science

The star-gas-star cycle will continue forever because stars are continually recycling gas

Indicate whether the statement is true or false

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The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters

A) 4 × 10-5 cm B) 4 × 10-7 cm C) 4 × 10-9 cm D) 4 × 10-11 cm E) 400 × 10-11 cm

Physics & Space Science