What happens to the magnitude of the magnetic field inside a long solenoid if the radius is doubled?
1.It becomes four times larger.
2.It becomes twice as large.
3.It is unchanged.
4.It becomes one-half as large.
5.It becomes one-fourth as large.
3
Physics & Space Science
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Erosion performed by flowing water alone is known as
A. weathering. B. abrasion. C. hydraulic action.
Physics & Space Science
As you go higher and higher above the surface of the Earth, the mass of a body __________
Fill in the blank(s) with correct word
Physics & Space Science
An automobile moving along a straight track changes its velocity from 40 m/s to 80 m/s in a distance of 200 m. What is the (constant) acceleration of the vehicle during this time?
a. 8.0 m/s b. 9.6 m/s c. 12 m/s d. 6.9 m/s e. 0.20 m/s
Physics & Space Science
The notation s-1 means __________
Fill in the blank(s) with correct word
Physics & Space Science