2.5 Represent and reason A 2.0-kg cart attached to a horizontal spring vibrates on a low-friction track (similar to the situation shown in Activity 1.3). The cart's displacement-versus-time is described by: 2 x = (0.20m) cos ( |COS 2.0s What is the meaning of each number in the function above. Determine the period and the amplitude of the motion. The positive direction of the x-axis is to the right. Work with your group to determine the cart's position at t = 0, t = 0.5 s, t= 1.0 s, and t= 1.5 s. Discuss: What is special about the chosen times? (Hint: What fraction of a period is 0.5 s, 1.0 s, and 1.5 s?)

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Chapter1: Units, Trigonometry. And Vectors
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2.5 Represent and reason
A 2.0-kg cart attached to a horizontal spring vibrates on a low-friction track (similar to the
situation shown in Activity 1.3). The cart's displacement-versus-time is described by:
2
x = (0.20m) cos (
|COS
2.0s
What is the meaning of each number in the function above.
Determine the period and the amplitude of the motion.
The positive direction of the x-axis is to the right. Work with your group to determine the cart's
position at t = 0, t = 0.5 s, t= 1.0 s, and t= 1.5 s. Discuss: What is special about the chosen
times? (Hint: What fraction of a period is 0.5 s, 1.0 s, and 1.5 s?)
Transcribed Image Text:2.5 Represent and reason A 2.0-kg cart attached to a horizontal spring vibrates on a low-friction track (similar to the situation shown in Activity 1.3). The cart's displacement-versus-time is described by: 2 x = (0.20m) cos ( |COS 2.0s What is the meaning of each number in the function above. Determine the period and the amplitude of the motion. The positive direction of the x-axis is to the right. Work with your group to determine the cart's position at t = 0, t = 0.5 s, t= 1.0 s, and t= 1.5 s. Discuss: What is special about the chosen times? (Hint: What fraction of a period is 0.5 s, 1.0 s, and 1.5 s?)
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