Visible sunspots lie in the:

A) chromosphere.
B) transition zone.
C) corona.
D) radiative zone.
E) granulation in the photosphere.


E

Physics & Space Science

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To determine the orbital period of a visual binary, we must measure

a. brightness. b. position on the sky. c. wavelengths. d. luminosity. e. temperature.

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The terra of Venus are rare, but large continent size uplifted regions over a low surface

Indicate whether the statement is true or false

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A velocity selector for ions uses perpendicular electric and magnetic fields. If the electric field used were 800 V/m, what magnetic field would allow the selection of a velocity of 4000 m/s?

A. 0.0400 T B. 0.0800 T C. 0.160 T D. 0.200 T E. 0.500 T

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Three cars (car F, car G, and car H) are moving with the same velocity when the driver suddenly slams on the brakes, locking the wheels. The most massive car is car F, the least massive is car H, and all three cars have identical tires

(a) Which car travels the longest distance to skid to a stop? A) Car F B) Car G C) Car H D) They all travel the same distance in stopping. (b) For which car does friction do the largest amount of work in stopping the car? A) Car F B) Car G C) Car H D) The amount of work done by friction is the same for all cars.

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