Acceleration (experiment 2) Time (o) The red line above shows the acceleration of a cart (moving forward and backward in one dimension) during a period of seven-seconds. Assume that everything that looks like a straight line really is a straight line, and you can read the graph to (at least) two significant figures. Assuming that the cart started at rest at the point x-0.0 m when t-0.05, what was the position of the cart when t- 3.0s HINT: No integral tables or complicated calculations are needed. Draw a sketch of velocity as a function of time during the first three seconds. Then if you need another hint, go back to the homework for unit "18 graphs and motion", open the problem velocity graphs", and look at question 5. Subnit 5) Assuming that the cart started at rest at the point x-0.0m when t- 0.0s, what was the position of the cart when t 4.0 s? Submit 6) Assuming that the cart started at rest at the point x-0.0m when t- 0.0s, what was the position of the cart when t 6.0 s? Submit 7) Wait. No, we were wrong. The cart was actually at the point x- 2.3 m when t- 0.0s. With this new piece of information, what was the position of the cart when t- 3.0 s? Submit 8) No wait. That's still not right. The cart was at the point x-2.3 when t - 0.0s, but it already had an initial velocity of 1.3 m/s. Now using this information (and that's the last correciton, honest), what was the position of the cart when t3.0 s? Submit
Acceleration (experiment 2) Time (o) The red line above shows the acceleration of a cart (moving forward and backward in one dimension) during a period of seven-seconds. Assume that everything that looks like a straight line really is a straight line, and you can read the graph to (at least) two significant figures. Assuming that the cart started at rest at the point x-0.0 m when t-0.05, what was the position of the cart when t- 3.0s HINT: No integral tables or complicated calculations are needed. Draw a sketch of velocity as a function of time during the first three seconds. Then if you need another hint, go back to the homework for unit "18 graphs and motion", open the problem velocity graphs", and look at question 5. Subnit 5) Assuming that the cart started at rest at the point x-0.0m when t- 0.0s, what was the position of the cart when t 4.0 s? Submit 6) Assuming that the cart started at rest at the point x-0.0m when t- 0.0s, what was the position of the cart when t 6.0 s? Submit 7) Wait. No, we were wrong. The cart was actually at the point x- 2.3 m when t- 0.0s. With this new piece of information, what was the position of the cart when t- 3.0 s? Submit 8) No wait. That's still not right. The cart was at the point x-2.3 when t - 0.0s, but it already had an initial velocity of 1.3 m/s. Now using this information (and that's the last correciton, honest), what was the position of the cart when t3.0 s? Submit
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter2: Representing Motion
Section: Chapter Questions
Problem 69A
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Question
Transcribed Image Text:Acceleration (experiment 2)
Time (s)
The red line above shows the acceleration of a cart (moving forward and backward in one dimension) during a perlod of
seven-seconds. Assume that everything that looks like a straight line really is a straight line, and you can read the graph
to (at least) two significant figures.
Assuming that the cart started at rest at the paint x - 0.0 m when t - 0.0 s, what was the position of the cart when t-
3.0 s?
HINT: No integral tables or complicated calculations are needed. Draw a sketch of velocity as a function of time during
the first three seconds. Then if you need another hint, go back to the homework for unit "18 graphs and motion",
open the problem "velocity graphs", and look at question 5.
m Submit
5) Assuming that the cart started at rest at the point x - 0.0 m when t- 0.0s, what was the position of the cart when t
- 4.0 s?
m Submit
6) Assuming that the cart started at rest at the point x - 0.0 m when t- 0.0 s, what was the position of the cart when t
- 6.0 s?
m Submit
7) Wait... No, we were wrong. The cart was actually at the point x - 2.3 m when t- 0.0 s. With this new piece of
Information, what was the position of the cart when t- 3.0 st
m Submit
8) No wait... That's still not right... The cart was at the point x- 2.3 when t- 0.0 s, but it already had an initial
velocity of 1.3 m/s. Now using this information (and that's the last correciton, honest), what was the position of the
cart when t- 3.0 s?
Submit
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