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Hold a ruler or straight edge from the first point on the graph to the last. Without changing the slope of the ruler, move or
Hold a ruler or straight edge from the first point on the graph to the last. Without changing the slope of the ruler, move or slide the ruler down until it is tangent to the curve made by the data. Approximately, what is the time coordinate of the point where the ruler touches the curve? Record this value. D Question 5 1 pts What do you notice about the time coordinate you recorded in the previous exercise? O It is about two-thirds of the way between the time coordinate of the first data point and the last point. O It is about half way between the time coordinate of the first data point and the last point. O It is about one-fourth of the way between the time coordinate of the first data point and the last point. O It is about three-fourths of the way between the time coordinate of the first data point and the last point. O It is about one-third of the way between the time coordinate of the first data point and the last point. Quiz saved at 3:50pm Submit Quistraight line that could be drawn between adjacent dots. For example, the first slope equals (0.074 - 0.000) / (0.1 - 0.0). Of course, you will use cell references instead of numbers so you can easily copy the equation down to the 20th pair of data points. Note that you will not be able to use the last (21st) pair of data. Then, calculate the average of all of the slopes. Enter that average in the answer field in the format ##.# where # represents an integer between 0 and 9. Position vs. Time 35.0 30.0 25.0 20.0 Position (cm) 15.0 10.0 5.0 0.0 0.00 0.50 1.00 1.50 2.00 Time (s) No. Time (s) Position (cm) 1 0.0 0.000Here is a brief summary of the experiment from the lab manual: In this experiment, the student drops a weighted paper tape through a slot cut in a block of wood. Two electrodes are screwed into the block and connected to a high voltage power supply. The power supply causes an electrical spark to jump from one electrode to the other at regular time intervals. (The power supply is referred to as a sparker.) This leaves a small burn mark on the paper as it falls under the inuence of the Earth's gravity. After a successful drop, students measure the position of the burn marks and then calculate the continuously increasing speed of the paper tape. After generating a graph of speed versus time, the slope of the resulting straight line is calculated. D The gure below is an idealized version of the burn marks on the strip of spark tape used in Experiment 03. o m 3 a: 8 a 3 SE (LID) war-ma Question 2 5 pts Calculate the slope of an imaginary, straight-line chord drawn from the rst point on the graph to the last point on the graph. Enter that number in the answer eld in the format #.## where # represents an integer between 0 and 9. 14.8 Question 3 5 pts What do you notice about the average of all the line segments compared to the slope of the chord mentioned in the previous exercise? 0 The average is half the slope of the chord. O The average is twice the slope of the chord. O The average is not related to the slope of the chord. The average is equal to the slope of the chord. Question 4 5 pts Question 4 5 pts Choose the best phrase to conclude this sentence. In the context of a constant acceleration, the slope of a line drawn tangent to an object's position versus time graph is the object's 0 average acceleration 0 initial velocity. 0 intantaneousjerk. 0 initial position. 0 average velocity 0 instantaneous acceleration. instantaneous velocity. Hold a ruler or straight edge from the rst point on the graph to the last. Without changing the slope of the ruler, move or slide the ruler down until it is tangent to the curve made by the data. Approximately, what is the time coordinate of the point where the ruler touches the curve? Record thic uall In
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