Rosie is moving with a uniform acceleration and has a velocity of 12.0 cm/s in the positive x-direction when her x-coordinate is 3.00 cm. If her x-coordinate 2.00 s later is - 5.00 cm, what is her acceleration? Pixel is wanderin

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 113CP: The position of a particle moving along the x -axis varies with time according to x(t)=5.0t24.0t3 ....
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UAM Exercises:
x-direction
Rosie is moving with a uniform acceleration and has a velocity of 12.0 cm/s in the
positive x-direction when her x-coordinate is 3.00 cm. If her x-coordinate 2.00 s later is -
what is her acceleration?
5.00 cm,
2. Pixel is wandering around the house when she gets a case of what can only be described
as the rips. She runs through the house and then finally begins to slow down for 6.0s to
1.5 m/s. a) If Pixel's displacement during this time is 19.5 m, what was her initial
velocity when she started slowing down? b) What is her acceleration during the slow
down?
(3.) A motorcyclist starts from rest and travels for 10.0 s with a uniform acceleration of
+1.25 m/s². The motorcyclist then applies the brakes, causing a uniform acceleration of
-0.75 m/s². If the brakes are applied for 4.0 s, a) How fast is the motorcycle going at the
end of the braking period, and b) how far has the motorcycle traveled?
Transcribed Image Text:UAM Exercises: x-direction Rosie is moving with a uniform acceleration and has a velocity of 12.0 cm/s in the positive x-direction when her x-coordinate is 3.00 cm. If her x-coordinate 2.00 s later is - what is her acceleration? 5.00 cm, 2. Pixel is wandering around the house when she gets a case of what can only be described as the rips. She runs through the house and then finally begins to slow down for 6.0s to 1.5 m/s. a) If Pixel's displacement during this time is 19.5 m, what was her initial velocity when she started slowing down? b) What is her acceleration during the slow down? (3.) A motorcyclist starts from rest and travels for 10.0 s with a uniform acceleration of +1.25 m/s². The motorcyclist then applies the brakes, causing a uniform acceleration of -0.75 m/s². If the brakes are applied for 4.0 s, a) How fast is the motorcycle going at the end of the braking period, and b) how far has the motorcycle traveled?
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