A point-mass of 17 grams at the end of a massless 20 centimeter long string is rotated at a rate of 5 revolutions per second. Find the kinetic energy of the point mass. ergs
A point-mass of 17 grams at the end of a massless 20 centimeter long string is rotated at a rate of 5 revolutions per second. Find the kinetic energy of the point mass. ergs
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
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![A point-mass of 17 grams at the end of a massless 20 centimeter long string is rotated at a rate of 5
revolutions per second. Find the kinetic energy of the point mass.
ergs](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a05292b-b6c2-4dad-9a40-6c2a3b7b3d0b%2F5a3170fc-7c46-4590-b3f8-4a2ed0ffca2a%2Fli3vyxk_processed.png&w=3840&q=75)
Transcribed Image Text:A point-mass of 17 grams at the end of a massless 20 centimeter long string is rotated at a rate of 5
revolutions per second. Find the kinetic energy of the point mass.
ergs
![Note: In the text, all questions use 62.5 pounds/ft as the force per volume density of water.
In metric, we would need Newtons/meter. The mass density per volume of water is 1000 kg/m³.
To convert this into a force density per volume, we multiply by gravity, approximately 9.8 m/s?. The
resulting quantity is the force density per volume in metric: 9800 N/m³.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a05292b-b6c2-4dad-9a40-6c2a3b7b3d0b%2F5a3170fc-7c46-4590-b3f8-4a2ed0ffca2a%2Fcnmnjbn_processed.png&w=3840&q=75)
Transcribed Image Text:Note: In the text, all questions use 62.5 pounds/ft as the force per volume density of water.
In metric, we would need Newtons/meter. The mass density per volume of water is 1000 kg/m³.
To convert this into a force density per volume, we multiply by gravity, approximately 9.8 m/s?. The
resulting quantity is the force density per volume in metric: 9800 N/m³.
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