When steam condenses, the surrounding air is
A) cooled.
B) warmed.
C) both of these
D) neither of these
Answer: B
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If a binary system has a period of 4 years and a separation of 5 AU, then the total mass is 7.8 solar masses
Indicate whether the statement is true or false
The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because
A) Mercury is low in iron. B) Mercury spins too rapidly to produce a stable dynamo. C) it's still too hot for its core to have differentiated. D) the dynamo theory predicted that Mercury was spinning too slowly for one. E) Mercury lacks an iron core.
An Olympic skier moving at 22.0 m/s down a 30.0° slope encounters a region of wet snow, of coefficient of friction µk = 0.740 . How far down the slope does she go before stopping?
a. 119 m c. 175 m b. 145 m d. 199 m
A monochromatic light is incident on a Young's double slit setup that has a slit separation of 30.0 ?m. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit
What is the separation between the third-order bright fringe and the zeroth-order bright fringe? A) 8.60 cm B) 7.35 cm C) 6.45 cm D) 4.30 cm E) 2.70 cm