Falling Coffee Filters. Interpret the graph in the figure below. The divisions a
ID: 1915659 • Letter: F
Question
Falling Coffee Filters. Interpret the graph in the figure below. The divisions along the vertical axis correspond to 0.030 N and the divisions along the horizontal axis correspond to 1.0 (m/s)2. (a) Find the slope of the straight line, including its units. (b) From the equation below, identify the theoretical slope of a graph of resistive force versus squared speed. (Use rho for , D, and A as necessary.) (c) Set the experimental and theoretical slopes equal to each other and proceed to calculate the drag coefficient of the filters. Use 1.20 kg/m3 for the density of air. Model the cross-sectional area of the filters as that of a circle of radius 9.00 cm. (d) Arbitrarily choose the eighth data point on the graph and find its vertical separation from the line of best fit. Express this scatter as a percentage. (e) In a short paragraph, state what the graph demonstrates and compare it to the theoretical prediction. You will need to make reference to the quantities plotted on the axes, to the shape of the graph line, to the data points, and to the results of parts (c)
Falling Coffee Filters. Interpret the graph in the figure below. The divisions along the vertical axis correspond to 0.030 N and the divisions along the horizontal axis correspond to 1.0 (m/s)2. (a) Find the slope of the straight line, including its units. (b) From the equation below, identify the theoretical slope of a graph of resistive force versus squared speed. (Use rho for , D, and A as necessary.) (c) Set the experimental and theoretical slopes equal to each other and proceed to calculate the drag coefficient of the filters. Use 1.20 kg/m3 for the density of air. Model the cross-sectional area of the filters as that of a circle of radius 9.00 cm. (d) Arbitrarily choose the eighth data point on the graph and find its vertical separation from the line of best fit. Express this scatter as a percentage. (e) In a short paragraph, state what the graph demonstrates and compare it to the theoretical prediction. You will need to make reference to the quantities plotted on the axes, to the shape of the graph line, to the data points, and to the results of parts (c)Explanation / Answer
a) slope = 8/5=1.6kgm-1
b) which equation!!!!!
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