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We want to measure the revolution of an electric motor as in the figure. We tie a steel ball with a mass of m = 15 g to its end with a rope. When we start the engine, an image appears as in the figure. We take a photo from the side and find out how many degrees angle it makes over the picture. If α=20 degrees, what is the speed of the engine (n=?). Length of the rope L=44 cm

We want to measure the revolution of an electric motor as in the figure. We tie a steel ball with a mass of m = 15 g to its end with a rope. When we start the engine, an image appears as in the figure. We take a photo from the side and find out how many degrees angle it makes over the picture. If α=20 degrees, what is the speed of the engine (n=?). Length of the rope L=44 cm

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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We want to measure the revolution of an electric motor as in the figure. We tie a steel ball with a mass of m = 15 g to its end with a rope. When we start the engine, an image appears as in the figure. We take a photo from the side and find out how many degrees angle it makes over the picture. If α=20 degrees, what is the speed of the engine (n=?). Length of the rope L=44 cm

CHAM a L n m
Transcribed Image Text:CHAM a L n m
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