PROBLEM 2.17The position of an object as a function of time is given asx = 2.1t3 + t2 -4t + 3 where x is in meters and t is in seconds.19. What is the velocity of the object at t = 10.0 s?c. 946 md. 616 mа.936 mb.646 m20. At what time is the object at rest?0.654 sc. 0.454 sd. 0.754 sа.b.0.554 s21. What is the acceleration of the object at t = 0.50 s?с. 7.3 m/s2d. 9.3 m/s²6.3 m/s²8.3 m/s2а.b.

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The position of an object as a function of time is given as x = 2.1t3 + t2 -4t + 3 where x is in meters and t is in seconds. 19. What is the velocity of the object at t = 10.0 s? с. 946 m d. 616 m а. 936 m b. 646 m 20. At what time is the object at rest? c. 0.454 s d. 0.754 s а. 0.654 s b. 0.554 s 21. What is the acceleration of the object at t = 0.50 s? с. 7.3 m/s2 d. 9.3 m/s2 6.3 m/s² 8.3 m/s2 а. b.

The position of an object as a function of time is given as x = 2.1t3 + t2 -4t + 3 where x is in meters and t is in seconds. 19. What is the velocity of the object at t = 10.0 s? с. 946 m d. 616 m а. 936 m b. 646 m 20. At what time is the object at rest? c. 0.454 s d. 0.754 s а. 0.654 s b. 0.554 s 21. What is the acceleration of the object at t = 0.50 s? с. 7.3 m/s2 d. 9.3 m/s2 6.3 m/s² 8.3 m/s2 а. b.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...

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