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A rod of negligible mass rotates in a horizontal plane about a vertical axis at point O as shown. The washer A of mass m can slide along the smooth rod and is initially held in place by a string. At the moment the string breaks, the rod has an angular velocity of 3.00 rad/s. a) Calculate the velocity of A just before it hits the stop. b) Calculate the velocity of A just after it hits the stop and sticks. String 2" 6" c) Calculate the impulse delivered by the stop on A during the collision.

A rod of negligible mass rotates in a horizontal plane about a vertical axis at point O as shown. The washer A of mass m can slide along the smooth rod and is initially held in place by a string. At the moment the string breaks, the rod has an angular velocity of 3.00 rad/s. a) Calculate the velocity of A just before it hits the stop. b) Calculate the velocity of A just after it hits the stop and sticks. String 2" 6" c) Calculate the impulse delivered by the stop on A during the collision.

Elements Of Electromagnetics
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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2. A rod of negligible mass rotates in a horizontal plane about a vertical axis at point O as shown. The washer A of mass m can slide along the smooth rod and is initially held in place by a string. At the moment the string breaks, the rod has an angular velocity of 3.00 rad/s. a) Caleulate the velocity of A just before it hits the stop. b) Calculate the velocity of A just after it hits the stop and sticks. String 2" c) Calculate the impulse delivered by the stop on A during the collision.
Transcribed Image Text:2. A rod of negligible mass rotates in a horizontal plane about a vertical axis at point O as shown. The washer A of mass m can slide along the smooth rod and is initially held in place by a string. At the moment the string breaks, the rod has an angular velocity of 3.00 rad/s. a) Caleulate the velocity of A just before it hits the stop. b) Calculate the velocity of A just after it hits the stop and sticks. String 2" c) Calculate the impulse delivered by the stop on A during the collision.
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