Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude F₂ = 23.0 N, as shown in (Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 2.4 s after you started pushing on it? Figure 45° 1 of 1

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Learning Goal:
A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is
29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the
box at a 45° angle (use degrees in your calculations throughout this problem) with a constant
force of magnitude F₂ = 23.0 N, as shown in (Figure 1). There is now a frictional force
between the box and the wall of magnitude 13.0 N. How fast is the box sliding 2.4 s after you
started pushing on it?
Figure
45°
F₂
1 of 1
Transcribed Image Text:Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude F₂ = 23.0 N, as shown in (Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 2.4 s after you started pushing on it? Figure 45° F₂ 1 of 1
Part A
Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation
of the motion of the box?
A
B
C
start to
push
4111
Check all that apply.
J
A
to
D
Transcribed Image Text:Part A Using our simplified model, in which we know that the forces are constant (but we don't know what their magnitudes are), which, perhaps more than one, of the following motion diagrams could be a reasonable representation of the motion of the box? A B C start to push 4111 Check all that apply. J A to D
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