An object tied to the end of a rope swings in a vertical circle (R = 1.2 m), as shown. At an instant when θ = 30 °, the velocity of the object is 5.1 m / s and the tension in the string has a magnitude of 20 N. What is the mass of the object?a. 1.5b. 0.80c. 1.2d.2.0 Un objeto atado al final de una cuerda se balancea en un circulo vertical (R = 1.2 m), comno se muestra. En un instante en que 0 = 30°, lavelocidad del objeto es de 5.1 m/s y la tensión de la cuerda tiene una magnitud de 20 N. ¿Cuál es la masa del objeto?OA15 kg0.80 kgOB.OC12 kgOD.20 kg

Un objeto atado al final de una cuerda se balancea en un circulo vertical (R = 1.2 m), como se muestra. En un instante en que 0 = 30°, la velocidad del objeto es de 5.1 m/s y la tensión de la cuerda tiene una magnitud de 20 N. ¿Cuál es la masa del objeto? %3D OA15 kg 0.80 kg OB. OC12 kg O D.2.0 kg

Un objeto atado al final de una cuerda se balancea en un circulo vertical (R = 1.2 m), como se muestra. En un instante en que 0 = 30°, la velocidad del objeto es de 5.1 m/s y la tensión de la cuerda tiene una magnitud de 20 N. ¿Cuál es la masa del objeto? %3D OA15 kg 0.80 kg OB. OC12 kg O D.2.0 kg

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 12.6OQ: A 20.0-kg horizontal plank 4.00 in long rests on two supports, one at the left end and a second 1.00...

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