Q7. The uniform 7.9-kg slender bar with a length of 3.5 m is pinned at point O. It is initially at rest, and then is subjected to a horizontal impulsive force at B. The average value of the force is 1,270 N, and its duration is 0.04 s. If the force causes the bar to swing to the horizontal position before falling, what is the distance h? Assume the bar is still vertical immediately after the impact. Your answer must include 2 places after the decimal point, and proper Sl unit. Take g = 9.81 m/s². T h

Q7. The uniform 7.9-kg slender bar with a length of 3.5 m is pinned at point O. It is initially at rest, and then is subjected to a horizontal impulsive force at B. The average value of the force is 1,270 N, and its duration is 0.04 s. If the force causes the bar to swing to the horizontal position before falling, what is the distance h? Assume the bar is still vertical immediately after the impact. Your answer must include 2 places after the decimal point, and proper Sl unit. Take g = 9.81 m/s². T h

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q7. The uniform 7.9-kg slender bar with a length of 3.5 m is pinned at point O. It is
initially at rest, and then is subjected to a horizontal impulsive force at B. The
average value of the force is 1,270 N, and its duration is 0.04 s. If the force causes
the bar to swing to the horizontal position before falling, what is the distance h?
Assume the bar is still vertical immediately after the impact. Your answer must
include 2 places after the decimal point, and proper Sl unit. Take g = 9.81 m/s².
F
B
Your Answer:
Answer
h
units

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