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Consider the street pattern shown in Fig. 2–46. Each
Chapter 2, Problem 65GP(choose chapter or problem)
Consider the street pattern shown in Fig. 2–46. Each intersection has a traffic signal, and the speed limit is 40 km/h. Suppose you are driving from the west at the speed limit. When you are 10.0 m from the first intersection, all the lights turn green. The lights are green for 13.0 s each.
(Calculate the time needed to reach the third stoplight. Can you make it through all three lights without stopping? (
) Another car was stopped at the first light when all the lights turned green. It can accelerate at the rate of \(2.00 \mathrm{\ m} / \mathrm{s}^{2}\) to the speed limit. Can the second car make it thr
ough all three lights without stopping? By how many seconds would it make it, or not make it?
Equation Transcription:
Text Transcription:
2.00 m/s^2
40 km/h
Questions & Answers
QUESTION:
Consider the street pattern shown in Fig. 2–46. Each intersection has a traffic signal, and the speed limit is 40 km/h. Suppose you are driving from the west at the speed limit. When you are 10.0 m from the first intersection, all the lights turn green. The lights are green for 13.0 s each.
(Calculate the time needed to reach the third stoplight. Can you make it through all three lights without stopping? (
) Another car was stopped at the first light when all the lights turned green. It can accelerate at the rate of \(2.00 \mathrm{\ m} / \mathrm{s}^{2}\) to the speed limit. Can the second car make it thr
ough all three lights without stopping? By how many seconds would it make it, or not make it?
Equation Transcription:
Text Transcription:
2.00 m/s^2
40 km/h
ANSWER:
Step 1 of 4
(a)
Distance of the car to third stop light
Velocity of the car
We have both the velocity and the distance, we will calculate the time.