Which of these spacecraft went into orbit about Saturn in July 2004?
A) Galileo
B) New Horizons
C) Cassini
D) Voyager 2
E) NEAR-Shoemaker
C
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Mercury's magnetic field is thought to be due to:
A) dynamo action, like the Earth's magnetic field. B) a mechanism entirely unique to Mercury. C) being close to the Sun. D) being a fossil remnant dating back to the distant past when the core was more liquid.
Whereas impulse involves the time that a force acts, work involves the
A) distance that a force acts. B) time and distance that a force acts. C) acceleration that a force produces.
How much energy is released when 1.40 ?g of 3H have decayed to 3He? The mass of 3He is 3.016029 u, the mass of 3H is 3.016049 u, and 1 u = 931.494 MeV/c2
A) 23,900 J B) 71,700 J C) 830 J D) 7970 J E) 11,900 J
An aircraft approaches a runway that runs directly east as a strong wind blows out of the south. The direction that the aircraft should points in order to land on the runway is __________
Fill in the blank(s) with correct word