At point P the magnetic field due to a long straight wire carrying a current of 2.0 A is 1.2 µT. How far is P from the wire? (?0 = 4? × 10-7 T ? m/
A)
A) 11 cm
B) 22 cm
C) 33 cm
D) 44 cm
E) 55 cm
C
Physics & Space Science
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As you are leaving a building, the door opens outward. If the hinges on the door are on your right, what is the direction of the angular velocity of the door as you open it?
A) up B) down C) to your left D) to your right E) forwards
Physics & Space Science
If its density suggests its core is similar to ours, why does Venus lack a magnetic field?
What will be an ideal response?
Physics & Space Science
The distance between Earth and the Moon is 3.84 108 m. A pulse of laser light aimed at the Moon that bounces back to Earth undergoes a round-trip time of about
A) zero seconds. B) less than 1 second. C) two and a half seconds. D) three seconds.
Physics & Space Science
JPEG images are uncompressed.
Answer the following statement true (T) or false (F)
Physics & Space Science