A) Two forces act on an object with F1 = (5.171 + 8.294) N and F2 = (−12.125 + 7.234) N. What is the magnitude of the net force experienced by the object? N= B)The x and y coordinates of a 4.80-kg particle moving in the xy plane under the influence of a net force F are given by x = t4 − 5t and y = 5t2 + 1, with x and y in meters and t in seconds. What is the magnitude of the force F at t = 3.40 s? N=

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 23PQ: The x and y coordinates of a 4.00-kg particle moving in the xy plane under the influence of a net...
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A) Two forces act on an object with 

F1 = (5.171 + 8.294) N and F2 = (−12.125 + 7.234) N.

 What is the magnitude of the net force experienced by the object?
 N=

 

B)The x and y coordinates of a 4.80-kg particle moving in the xy plane under the influence of a net force F are given by 

x = t4 − 5t and y = 5t2 + 1,

 with x and y in meters and t in seconds. What is the magnitude of the force F at t = 3.40 s?  N=

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