Three forces acting on an object are given by F, = (-1.9î + 7.45j) N, F, = (4.70î – 1.5j) N, and F, = (-42î) N. The object experiences an acceleration of magnitude 4.00 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 20.0 s? m/s
Three forces acting on an object are given by F, = (-1.9î + 7.45j) N, F, = (4.70î – 1.5j) N, and F, = (-42î) N. The object experiences an acceleration of magnitude 4.00 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 20.0 s? 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
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 7P: Two forces F1 and F2 act on a 5.00-kg object. Taking F1 = 20.0 N and F2 = 15.0 N, find the...
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