A vehicle traveling between 2 stations that are 2 km apart starts from rest and accelerates over 3/5 of the total distance. After reaching the maximum speed, the driver steps on the brakes and the vehicle decelerates at a constant rate and comes to rest after 2 km and a total travel duration of 4 min. Analyze the motion of the vehicle on a appropriate speed - time graph and then, calculate: --- • The maximum speed observed during the journey: m/s • The duration of acceleration tacc :

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Chapter1: Units, Trigonometry. And Vectors
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A vehicle traveling between 2 stations that are 2 km apart starts from rest and accelerates over 3/5 of the total
distance. After reaching the maximum speed, the driver steps on the brakes and the vehicle decelerates at a
constant rate and comes to rest after 2 km and a total travel duration of 4 min. Analyze the motion of the
vehicle on a appropriate speed time graph and then, calculate:
on
• The maximum speed observed during the journey:
m/8
• The duration of acceleration tacc :
• The duration of deceleration tdec
• The acceleration:
m/s²
.2
• and magnitude of the deceleration
m/s2
You may need an speed-time graph for more accuracy on the following
• Change of speed during the 48 second of motion: Av
m/s **
Distance covered during the 176 th second of motion:
m**
• The total distance covered after 176 s of motion:
HUAWEI Y7P
Al
48MP TRIPLE CAMERA
Transcribed Image Text:podleVUT MoodleVUT A vehicle traveling between 2 stations that are 2 km apart starts from rest and accelerates over 3/5 of the total distance. After reaching the maximum speed, the driver steps on the brakes and the vehicle decelerates at a constant rate and comes to rest after 2 km and a total travel duration of 4 min. Analyze the motion of the vehicle on a appropriate speed time graph and then, calculate: on • The maximum speed observed during the journey: m/8 • The duration of acceleration tacc : • The duration of deceleration tdec • The acceleration: m/s² .2 • and magnitude of the deceleration m/s2 You may need an speed-time graph for more accuracy on the following • Change of speed during the 48 second of motion: Av m/s ** Distance covered during the 176 th second of motion: m** • The total distance covered after 176 s of motion: HUAWEI Y7P Al 48MP TRIPLE CAMERA
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