Question

A 8.0 kg rock is attached to a rope that is 1.4 meters in length. The other end of the rope is attached to a motor that forces the rope to rotate with a rotational speed of 2.3 m/s. The rock breaks free from the rope and is launched vertically into the air. This occurs on Earth. Determine the magnitude of the rock’s velocity when it returns to its starting position. *

A. 0 m/s
B. 25.76 m/s
C. 30.22 m/s
D. 3.22 m/s
E. 2.3 m/s

Answer 1

Answer:

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Explanation:

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