A car starts from rest and accelerates at a rate of 1.8 m/s² West for 15s. It goes at a constant velocity for 50s and then accelerates at a rate of 2.1m/s² East for 10 s. Use West as the positive direction. a. Draw an acceleration graph for this situation. Remember to quantitatively label your axes.

Physics for Scientists and Engineers: Foundations and Connections
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Problem 18PQ: Acceleration a has the dimensions of length per time squared, speed v has the dimensions of length...
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6.
A car starts from rest and accelerates at a rate of 1.8 m/s² West for 15s. It goes at a constant velocity for
50s and then accelerates at a rate of 2.1m/s² East for 10 s. Use West as the positive direction.
a.
Draw an acceleration graph for this situation. Remember to quantitatively label your axes.
a (m/812)
t(s)
0-15
15-65
65-75
b. What is the change in velocity for each time interval?
Av (m/s)
t(s)
Draw a velocity graph for this situation. Remember to quantitatively label your axes.
v (m/s)
E
t(s)
d. What is the total displacement between t-Os and t= 75 s?
Transcribed Image Text:6. A car starts from rest and accelerates at a rate of 1.8 m/s² West for 15s. It goes at a constant velocity for 50s and then accelerates at a rate of 2.1m/s² East for 10 s. Use West as the positive direction. a. Draw an acceleration graph for this situation. Remember to quantitatively label your axes. a (m/812) t(s) 0-15 15-65 65-75 b. What is the change in velocity for each time interval? Av (m/s) t(s) Draw a velocity graph for this situation. Remember to quantitatively label your axes. v (m/s) E t(s) d. What is the total displacement between t-Os and t= 75 s?
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