Three forces acting on an object are given by F1 = (−2.1î + 5.55ĵ) N, F2 = (5.30î − 1.6ĵ) N, and F3 = (−47.5î) N. The object experiences an acceleration of magnitude 3.85 m/s2. (a) What is the direction of the acceleration? (b) What is the mass of the object? (c) If the object is initially at rest, what is its speed after 14.0 s?

Three forces acting on an object are given by F1 = (−2.1î + 5.55ĵ) N, F2 = (5.30î − 1.6ĵ) N, and F3 = (−47.5î) N. The object experiences an acceleration of magnitude 3.85 m/s2. (a) What is the direction of the acceleration? (b) What is the mass of the object? (c) If the object is initially at rest, what is its speed after 14.0 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

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 5OQ

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Question

Three forces acting on an object are given by

F₁ = (−2.1î + 5.55ĵ) N,

F₂ = (5.30î − 1.6ĵ) N,

and

F₃ = (−47.5î) N.

The object experiences an acceleration of magnitude 3.85 m/s².

(a) What is the direction of the acceleration?

(b) What is the mass of the object?

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