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Physics, 20.09.2020 16:01 nakedkats7656

Question 1 Item 1 The figure presents a diagram of a piece of ticker tape with dots. There are 15 dots on the tape, arranged in a horizontal line. The spacing between the dots is as follows. The first four dots and last four dots are spaced closest together. The dots in the center are spaced further apart. There is a rightward pointing arrow that points to the right in the positive x-direction drawn above the ticker tape. A student performs an experiment in which the horizontal position of a toy car is recorded on ticker tape from a device that places dots on the tape in equal time intervals. The series of dots in the figure represents the motion of an object moving from the negative direction to the positive direction along the horizontal direction. The time interval between each recorded dot is 1s. Which of the following experiments could the student have conducted to create the data shown on the ticker tape? A toy car that initially increases its speed, travels at a constant speed, and then increases its speed again. A toy car that initially increases its speed, travels at a constant speed, and then increases its speed again. A toy car that initially increases its speed, travels at a constant speed and then decreases its speed. A toy car that initially increases its speed, travels at a constant speed and then decreases its speed. B A toy car that initially decreases its speed, stops and then increases its speed. A toy car that initially decreases its speed, stops and then increases its speed. C A toy car that initially decreases its speed, travels at a constant speed, and then increases its speed.

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