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4.) Multiple-object systems without friction: The figure shows two 1.0 kg-blocks connected
by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250
g. The entire assembly is accelerated upward at 0.23 m/s2 by force É. What is the tension
at the top end of rope 1?
1.0 kg
Rope I
1.0 kg
Rope 2
A) 18 N
B) 1.8 N
C) 2.9 N
D) 3.5 N

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