Consider the two blocks shown in the figure above. A block of mass
n2 can slide without friction on the incline. The incline
makes an angle of 30 degrees with the horizontal. Another
block of mass n1 is hanging from the cord. The cord
goes over a massless pulley. Assume that the cord also is massless. Both
blocks move with constant acceleration. The acceleration of the system is
g/n3. What is n3? Note that positive acceleration
is the direction shown by the arrow in the figure.
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