Graph tion versus Time the equipment will graph the position of a cart movin a f
ID: 1527966 • Letter: G
Question
Graph tion versus Time the equipment will graph the position of a cart movin a feel of how by getting wi track. The software i sense that the motion detector is attached and will open both a position versus time graph (top graph) and a velocity versus time graph. To on a balance the track you may use the motion detector to help you. Adjust the height at both such that the cart's velocity is as close to a constant value for both "towards" and away from" the motion detector. This default set of graphs won't have enough time to collect data, but you can extend the collection time. Click on experiment located on the tool bar. You will get a drop down menu. Click on "extend collection time" and you will notice that the time axis Continue to click on "extend collection time" until you get just over 15 seconds on the time axis. A. Set the motion detector near the end of the track making sure that the motion detector senses the cart. Then, set the cart approximately 30 centimeters from the motion detector. Click on the "collect" button near the top of the screen and allow 5 seconds to pass with no motion of the cart. At the 5 second mark suddenly and quickly move the cart about 20 centimeters farther away from the motion detector, stopping the cart suddenly. Allow the cart to rest here for another 5 seconds. Then, suddenly and quickly move the cart towards the motion detector by about 10 centimeters and stop. Allow the time to run out; the software will automatically stop taking data Record this position data on the graph below. (1 pt. data) Time (s) During the times in which the cart has no motion the lines are both straight and horizontal, meaning they have zero slopes. The slopes of these straight lines exhibiting the positions of the cart determine the carts velocities, which are all zeros in this case. B. Next, have the cart positioned at about 20 centimeters from the motion detector. Then slowly move the cart with your hand, keeping the speed of the cart as constant as possible for about 5 seconds. Stop the cart and leave it at rest for about 5 seconds. Now, move
Explanation / Answer
1. The horizontal line can be easy to understand that the object is at rest that means there is no motion and slope is zero. However to have vertical line is impossible because an object cannot be more than one place at a same time or in other words it means you have to be infinitely many positions at the same time also the slope will be infinite therefore infinite velocity.
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