If a = 1.0 cm, b = 3.0 cm, and I = 30 A, what is the magnitude of the magnetic field at point P?
a.
0.62 mT
b.
0.59 mT
c.
0.35 mT
d.
0.31 mT
e.
0.10 mT
d
Physics & Space Science
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The atmosphere of Mars primarily consists of ____________________
Fill in the blank(s) with correct word
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If the scalar product of two vectors, 
and 
, is equal to ?3.5, if 
align="middle" />, and the angle between the two vectors when they are drawn starting from the same point is equal to 130°, what is the magnitude of ?
A. 2.1
B. 2.5
C. 2.3
D. 2.7
E. 3.1
Physics & Space Science
The energy of position is called
a. potential energy. b. power. c. kinetic energy. d. heat.
Physics & Space Science
Dispersion results because the speed of light in a transparent medium varies with frequency
Indicate whether the statement is true or false
Physics & Space Science