Physics For Scientists And Engineers
6th Edition
ISBN: 9781429201247
Author: Paul A. Tipler, Gene Mosca
Publisher: W. H. Freeman
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Chapter 2, Problem 80P
To determine
The distance of flowerpot falls from the top of window.
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A car is traveling on a straight, level road under wintry conditions. Seeing a patch of ice ahead of her, the driver of the car slams on her brakes and skids on dry pavement for 70 m, decelerating at 6.0 m/s2. Then she hits the icy patch and skids again. The car takes a duration of 85.0 s to come to rest during the second skid. If her initial speed was 50 m/s, what was the magnitude of the deceleration on the ice during the second skid.
1. Which of the following kinematic equations would you use to determine the velocity of the car after skidding on the dry pavement for 70 m?
2. Determine the velocity of the car after skidding on the dry pavement for 70 m.
3. Which of the following kinematic equations would you use to determine the deceleration of the car after skidding to a stop on the icy patch?
4. Determine the magnitude of the deceleration of the car after skidding to a stop on the icy patch.
A car is traveling on a straight, level road under wintry conditions. Seeing a patch of ice ahead of her, the driver of the car slams on her brakes and skids on dry pavement for 70 m, decelerating at 6.0 m/s2. Then she hits the icy patch and skids again. The car takes a duration of 85.0 s to come to rest during the second skid. If her initial speed was 50 m/s, what was the magnitude of the deceleration on the ice during the second skid.
Here we go again (yes, this set of questions is starting to
feel like Groundhog Day). You AGAIN wake up in a
strange room, and this time you drop a ball from a height
of 2.41 m, and observe that it hits the floor 0.421 s after
you drop it. In this case you suspect you are in deep
space, far from any planet or star, and that your rocket is
accelerating due to the push of its own engines under the
floor. In this case, what must the acceleration of your
rocket be?
1
43.5 m/s^2
2
43.5 m/s^2
3
13.6 m/s^2
4
20.4 m/s^2
Chapter 2 Solutions
Physics For Scientists And Engineers
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