Three forces acting on an object are given by  F1 = (−1.8î + 6.20ĵ) N,   F2 = (5.10î − 2.2ĵ) N,  and  F3 = (−43î) N.  The object experiences an acceleration of magnitude 3.65 m/s2. (a) What is the direction of the acceleration? ° (counterclockwise from the +x-axis)(b) What is the mass of the object? kg(c) If the object is initially at rest, what is its speed after 16.0 s? m/s(d) What are the velocity components of the object after 16.0 s? (Let the velocity be denoted by  v. ) v =      î +  ĵ    m/s

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 64P: If a single constant force acts on an object that moves on a straight line, the objects velocity is...
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Three forces acting on an object are given by 

F1 = (−1.8î + 6.20ĵ) N,

 

F2 = (5.10î − 2.2ĵ) N,

 and 

F3 = (−43î) N.

 The object experiences an acceleration of magnitude 3.65 m/s2.

(a) What is the direction of the acceleration?
 ° (counterclockwise from the +x-axis)

(b) What is the mass of the object?
 kg

(c) If the object is initially at rest, what is its speed after 16.0 s?
 m/s

(d) What are the velocity components of the object after 16.0 s? (Let the velocity be denoted by 
v.
)
v = 
 
  î +  ĵ
 
 m/s
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