A car is accelerating uniformly as it passes two checkpoints that are 38m apart. The time taken between checkpoints is 6.4s and the car's speed at the first checkpoint is 6.7m/s. Find the car's acceleration and its speed at the second checkpoint?

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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1. A car is accelerating uniformly as it passes two checkpoints
that are 38m apart. The time taken between checkpoints is
6.4s and the car's speed at the first checkpoint is 6.7m/s.
Find the car's acceleration and its speed at the second
checkpoint?
2. A bus travels 400m between two stops. It starts from rest
and accelerates at 1.5m/s² until it reaches a speed of 9m/s.
The bus continues at this speed and then decelerates at
2m/s² until it comes to stop. Find the total time required for
the journey?
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Transcribed Image Text:1. A car is accelerating uniformly as it passes two checkpoints that are 38m apart. The time taken between checkpoints is 6.4s and the car's speed at the first checkpoint is 6.7m/s. Find the car's acceleration and its speed at the second checkpoint? 2. A bus travels 400m between two stops. It starts from rest and accelerates at 1.5m/s² until it reaches a speed of 9m/s. The bus continues at this speed and then decelerates at 2m/s² until it comes to stop. Find the total time required for the journey? More
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