A4.0 kg lunchbox is sent sliding over a frictionless surface, in the positive direction of an x axis along the surtace. Beginning at tlme t=0, a steady wind pushes on the lunchbox in the negative direction of the x axis. The figure shows the position x of the lunchbox as a function of time t as the wind pushes on the lunchbox. From the graph, estimate the kinetic energy of the lunchbox at (a) t = 1.0 s and (b) t = 5.0 s. (c) How much work does the force from the wind do on the lunchbox from t = 1.0 s to t = 5.0 s? 3. 2 4 6. 17 8. t (s) (u) x
A4.0 kg lunchbox is sent sliding over a frictionless surface, in the positive direction of an x axis along the surtace. Beginning at tlme t=0, a steady wind pushes on the lunchbox in the negative direction of the x axis. The figure shows the position x of the lunchbox as a function of time t as the wind pushes on the lunchbox. From the graph, estimate the kinetic energy of the lunchbox at (a) t = 1.0 s and (b) t = 5.0 s. (c) How much work does the force from the wind do on the lunchbox from t = 1.0 s to t = 5.0 s? 3. 2 4 6. 17 8. t (s) (u) x
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
Section: Chapter Questions
Problem 85PQ: The motion of a box of mass m = 2.00 kg along the x axis can be described by the function x = 4.00 +...
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Hi I need help with part A and B please
A 2 significant digit
B Exact number
Thank you
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