Pretty simple distance traveled given acceleration problem

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SUMMARY

The discussion centers on solving a physics problem involving a bicyclist accelerating at 1.0 m/s² to reach a speed of 7.8 m/s. The key formula to determine the distance traveled is derived from the kinematic equations, specifically using the equation \(d = \frac{v^2 - u^2}{2a}\), where \(v\) is the final velocity, \(u\) is the initial velocity (0 m/s in this case), and \(a\) is the acceleration. By substituting the values, the correct distance can be calculated as 30.42 meters. The link provided offers additional resources for understanding one-dimensional kinematic problems.

PREREQUISITES
  • Understanding of basic kinematics
  • Familiarity with the formula \(d = \frac{v^2 - u^2}{2a}\)
  • Knowledge of units of measurement (meters, seconds)
  • Ability to manipulate algebraic equations
NEXT STEPS
  • Study the derivation of kinematic equations in physics
  • Practice solving various problems involving acceleration and distance
  • Explore online physics resources such as Khan Academy for kinematics
  • Learn about graphical representations of motion and acceleration
USEFUL FOR

Students studying physics, particularly those tackling kinematics, educators looking for teaching resources, and anyone needing to understand the relationship between acceleration, velocity, and distance in motion problems.

BC2210
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Homework Statement


Hey, I am not sure why I can't get the right answer for my online physics homework, it keeps telling me the answer I am putting is wrong! My question is:

The light turns green, and a bicyclist starts forward with an acceleration of 1.0 m/s^2. How far must she travel to reach a speed of 7.8 m/s?

I think I am going about figuring it out the wrong way...

Thanks for any help! :)

Homework Equations





The Attempt at a Solution

 
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BC2210 said:

Homework Statement


Hey, I am not sure why I can't get the right answer for my online physics homework, it keeps telling me the answer I am putting is wrong! My question is:

The light turns green, and a bicyclist starts forward with an acceleration of 1.0 m/s^2. How far must she travel to reach a speed of 7.8 m/s?

I think I am going about figuring it out the wrong way...

Thanks for any help! :)

Homework Equations



The Attempt at a Solution


Here is a link to formulas relating 1 dimensional kinematic problems with distance, time velocity and acceleration. Look at these formulas and think about which may apply for your problem.

https://www.physicsforums.com/showpost.php?p=905663&postcount=2
 
Awesome thank you...ill see what i come up with
 

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