A 50-kg man is sitting on a swing which is supported by two vertical ropes. If the mass of the swing is neglected, what is the tension in one of the ropes?

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: The Laws Of Motion
Section: Chapter Questions
Problem 7P: Review. Three forces acting on an object are given by F1=(2.00i2.00j)N, and F1=(5.00i3.00j)N, and...
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1. A 50-kg man is sitting on a swing which is supported by two vertical ropes. If the mass of the swing is neglected, what is the tension in one of the ropes?
2. A 50-kg sack of rice, resting on the ground, is dragged by a 100-N force at 30 degrees with the horizontal. If the friction is 8N, What is the acceleration of the sack? 
3. A 10-kg object is suspended in a string. What is the tension of the string?
4. A  student throws a broken cellphone with a velocity of 100.0 m/s at 60.0 degrees with the horizontal. Neglecting air resistance, what is the magnitude of the x-component of its velocity after 1s?

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