Consider Newton's second law states, often written as force = mass × acceleration. Based on this law, what property can you determine if you observe the acceleration of an object with a known mass?
A) the net force acting on the object
B) the strength of gravity acting on the object
C) the current velocity of the object
D) the current location of the object
A) the net force acting on the object
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A proton is moving perpendicular to a magnetic field at 
and experiences a magnetic force of magnitude
N. What is the magnitude of the magnetic field?
A. 0.52 T
B. 
C. 
D. 
E. 
The discovery of extra solar planetary systems supports the idea that over time, planets may migrate inward.
Answer the following statement true (T) or false (F)
Visible light from a distant star can be spread into a spectrum by using a glass prism or
A) a diffraction grating. B) adaptive optics. C) a telescope. D) a flat glass mirror.
The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the absence of a lunar magnetic field
Indicate whether the statement is true or false