How many Torino 2 asteroids are known to exist?
a. 0
b. <5
c. 5-10
d. >10
Zero in 2019.
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Edward Teller was
A) the discoverer of nuclear fission. B) the head of the program to develop the world's first fusion bomb. C) the inventor of radiation therapy. D) the head of the program to develop the world's first fission bomb. E) the head of the program to develop the world's first nuclear reactor.
How much mass should be attached to a vertical ideal spring having a spring constant of 39.5 N/m so that it will oscillate at 1.00 Hz?
A) 39.5 kg B) 2.00 kg C) 1.00 kg D) 1.56 kg E) 6.29 kg
The following images show the four terrestrial planets in our solar system. Rank the planets from left to right based on the strength of the greenhouse effect occurring at their surfaces, from strongest to weakest.
Opposing shearing forces of 3000 N are applied to the 3.00 cm × 4.00 cm faces of a 3.00 cm × 4.00 cm × 5.00 cm steel block. By what amount does the block become slanted? The shear modulus for steel is 8.0 × 1010 N/m2
A) 1.54 × 10-6 m B) 5.56 × 10-7 m C) 9.88 × 10-7 m D) 3.08 × 10-6 m E) 6.98 × 10-6 m