Answered: 1) A skater increases her velocity from…

1) A skater increases her velocity from 2.0m/s to 10.0m/s in 3.0seconds. What is the skater's acceleration? Given Unknown Equation Substitution Solution

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 82AP: Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that...

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Question

Someone please solve ALL of the problems ASAP showing ALL of the work using the format that’s under the problems

Name
Date
hr
4.3 Acceleration
Acceleration is the rate of change in velocity of an object. To determine the acceleration, you use the
formula below. The units for acceleration are meters per second per second or m/s.
(Final velocity - intial velocity)
Acceleration =
time
(v - v
a =
The acceleration formula can be rearranged to solve for other variables such as final velocity (v) and
time (t).
ID + la = la
('a - la)
a.
1) A skater increases her velocity from 2.0m/s to 10.0m/s in 3.0seconds. What is the skater's
acceleration?
Given
Unknown
Equation
Substitution
Solution
2) A car accelerates at a rate of 3.0m/s'. If the original velocity is 8.0m/s, how many seconds will it
take for the car to reach a final velocity of 25.0m/s?
Equation
Given
Unknown
Substitution
Solution
3) A car slows down from 24 m/s to 15 m/s in 12 seconds. What is the driver's acceleration?
Equation
Substitution
Solution
Given
Unknown
4) A car traveling at a speed of 30 m/s encounters an emergency and comes to a complete stop.
How long will it take for the car to stop if the acceleration is -4. Om/s'?
Substitution
Solution
Given
Unknown
Equation

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