1) A driver is traveleing at 40m/s when they see a speed limit sign that says 10 m/s. One second later they hit the brakes and the car slows down at a rate of 5 m/s2. How far behind is the sign from the car when the car reaches the legal speed limit?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section2.6: Motion Diagrams
Problem 2.6QQ: Which one of the following statements is true? (a) If a car is traveling eastward, its acceleration...
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Can you solve numebr and one and 2?

Physics 31
Week 1 Practice Problems
Equations of Motion:
1) A driver is traveleing at 40m/s when they see a speed limit sign that says 10 m/s. One second later they
hit the brakes and the car slows down at a rate of 5 m/s?. How far behind is the sign from the car when the
car reaches the legal speed limit?
Free-Fall Acceleration
2) You throw a ball upward with an initial velocity of 5 m/s. Ignoring air resistance (a) how high does it
go (b) how long does it take for the ball to fall back to your hand?
Transcribed Image Text:Physics 31 Week 1 Practice Problems Equations of Motion: 1) A driver is traveleing at 40m/s when they see a speed limit sign that says 10 m/s. One second later they hit the brakes and the car slows down at a rate of 5 m/s?. How far behind is the sign from the car when the car reaches the legal speed limit? Free-Fall Acceleration 2) You throw a ball upward with an initial velocity of 5 m/s. Ignoring air resistance (a) how high does it go (b) how long does it take for the ball to fall back to your hand?
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