Three forces acting on an object are given by F, = (-2.1î + 6.85j) N, F2 = (4.50î – 2.15j) N, and F3 = (-461) N. The object experiences an acceleration of magnitude 3.95 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 15.0 s? m/s (d) What are the velocity components of the object after 15.0 s? (Let the velocity be denoted by v.) V = î+ m/s
Three forces acting on an object are given by F, = (-2.1î + 6.85j) N, F2 = (4.50î – 2.15j) N, and F3 = (-461) N. The object experiences an acceleration of magnitude 3.95 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 15.0 s? m/s (d) What are the velocity components of the object after 15.0 s? (Let the velocity be denoted by v.) V = î+ 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 9OQ: A child is practicing for a BMX race. His speed remains constant as he goes counterclockwise around...
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