Two constant forces act on a 5.00-kg object moving in the xy-plane, as shown in the figure below, Force F is 25.0 N at 0 = 37.0° from x-axis, while F 40.0 N at p = 37.0° from y-axis. At time t = 0, the object is at the origin and has velocity vi (4.0i + 2.5) m/s. Using the unit-vector notation %3D (a) Find the total force on the object and its acceleration, (b) What is the object's velocity at the instant t = 3.00 s?, (e) What is its location at time t = 3.0 s?, (f) What is its kinetic energy at this moment?, and (g) How much work is done by the total force in this time? y F2 F1
Two constant forces act on a 5.00-kg object moving in the xy-plane, as shown in the figure below, Force F is 25.0 N at 0 = 37.0° from x-axis, while F 40.0 N at p = 37.0° from y-axis. At time t = 0, the object is at the origin and has velocity vi (4.0i + 2.5) m/s. Using the unit-vector notation %3D (a) Find the total force on the object and its acceleration, (b) What is the object's velocity at the instant t = 3.00 s?, (e) What is its location at time t = 3.0 s?, (f) What is its kinetic energy at this moment?, and (g) How much work is done by the total force in this time? y F2 F1
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.13P:
A particle moves in a medium under the influence of a retarding force equal to mk(υ3+ a2υ), where k...
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