**Learning Goal:**A bar moves along a path without rotating as shown in Figure 1. The position of point \( B \) can be described by the equation \[\mathbf{r_B} = (9 + 5t)\mathbf{i} + (4.5t + 0.4t^2)\mathbf{j}\]where the coordinates are in meters when \( t \) is in seconds. The dimensions of the bar are \( L_1 = 0.6 \, m \) and \( L_2 = 1.8 \, m \), and the angle is \( \theta = 60^\circ \).**Figure Explanation:**The diagram shows a straight bar oriented diagonally with respect to the horizontal and vertical axes. The bar is labeled with the following:- \( A \) and \( C \) denote the endpoints of the bar.- Point \( B \) is marked at an intermediate point along the bar.- The bar has two segments, \( L_1 \) and \( L_2 \), with lengths of 0.6 meters and 1.8 meters, respectively.- The angle \( \theta = 60^\circ \) indicates the tilt of the bar with respect to the horizontal axis.- The path of motion is depicted as a curved line beneath the bar.- The \( x \) and \( y \) axes are denoted to provide a coordinate reference. **Question:**What is the \( x \)-component of the velocity of point \( A \) at \( t = 2.1 \, \text{s} \)?**Instructions:**Express your answer to three significant figures with appropriate units.- View Available Hint(s)**Input Box:**\( v_{Ax} = \) [Value] [Units][Submit Button]---**Part B:**What is the \( y \)-component of the velocity of point \( A \) at \( t = 2.1 \, \text{s} \)?**Instructions:**Express your answer to three significant figures with appropriate units.- View Available Hint(s)**Input Box:**\( v_{Ay} = \) [Value] [Units]

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Learning Goal: A bar moves along a path without rotating as shown in (Figure 1). The position of point B can be described by the equation гB = (95t)i + (4.5t +0.4t²)j, where the coordinates are in meters when t is in seconds. The dimensions of the bar are L₁ = 0.6 m and L2 = 1.8 m, and the angle is 0 = 60°. Figure A L2 B A Li C y < 1 of 1 > X

Learning Goal: A bar moves along a path without rotating as shown in (Figure 1). The position of point B can be described by the equation гB = (95t)i + (4.5t +0.4t²)j, where the coordinates are in meters when t is in seconds. The dimensions of the bar are L₁ = 0.6 m and L2 = 1.8 m, and the angle is 0 = 60°. Figure A L2 B A Li C y < 1 of 1 > X

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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