(1) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN BELOW. A massive, uniform rod of length L = 14 meters is pivoted at its bottom end. It is held vertical initially, as shown in the figure, and is released. It, then, swings down rotating around the pivot, as indicated in the figure. When the rod completes three-quarters of a full turn, at the instant the rod reaches the horizontal position as indicated by the dashed lines in the figure, the pivot disappears and the rod flies freely up in the air. (Take g = 10m/s².) A) What is the angular speed w, in units of radians per second, of the rod about the pivotal point when it reaches the horizontal position indicated by the dashed lines in the figure? Answer: B) What is the maximum height h, in meters, from the horizontal level indicated by the dashed lines in the figure, that the center of mass of the rod reaches during the resulting motion after the pivot disappears and the rod flies freely up in the air? Answer:
(1) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN BELOW. A massive, uniform rod of length L = 14 meters is pivoted at its bottom end. It is held vertical initially, as shown in the figure, and is released. It, then, swings down rotating around the pivot, as indicated in the figure. When the rod completes three-quarters of a full turn, at the instant the rod reaches the horizontal position as indicated by the dashed lines in the figure, the pivot disappears and the rod flies freely up in the air. (Take g = 10m/s².) A) What is the angular speed w, in units of radians per second, of the rod about the pivotal point when it reaches the horizontal position indicated by the dashed lines in the figure? Answer: B) What is the maximum height h, in meters, from the horizontal level indicated by the dashed lines in the figure, that the center of mass of the rod reaches during the resulting motion after the pivot disappears and the rod flies freely up in the air? Answer:
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(!) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN BELOW.
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A massive, uniform rod of length L = 14 meters is pivoted at its bottom end. It is held vertical
initially, as shown in the figure, and is released. It, then, swings down rotating around the pivot, as
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indicated in the figure. When the rod completes three-quarters of a full turn, at the instant the rod
L
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reaches the horizontal position as indicated by the dashed lines in the figure, the pivot disappears
and the rod flies freely up in the air.
(Take g =
10 m/s².)
A) What is the angular speed w, in units of radians per second, of the rod about the pivotal point when it reaches the horizontal
position indicated by the dashed lines in the figure?
Answer:
Question 3
B) What is the maximum height h, in meters, from the horizontal level indicated by the dashed lines in the figure, that the center of
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mass of the rod reaches during the resulting motion after the pivot disappears and the rod flies freely up in the air?
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