Very simple kinematics object accelerates, what is the speed of the object?

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Homework Help Overview

The discussion revolves around a kinematics problem involving an object that accelerates from rest at a rate of 6.3 m/s² for a duration of 2 seconds. Participants are exploring how to determine the speed of the object at the end of this time period.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants are attempting to relate acceleration to velocity and time, questioning the appropriate formulas to use. There is confusion regarding the correct application of equations and the relationship between acceleration and velocity.

Discussion Status

The discussion is active, with participants offering insights into the definitions of acceleration and its implications for velocity. Some have suggested multiplying acceleration by time to find the speed, while others are clarifying the relevance of different formulas and concepts.

Contextual Notes

There is a noted misunderstanding of the formulas involved, and participants are grappling with the definitions and relationships between acceleration, velocity, and time. The original poster expresses uncertainty about their calculations and the correct approach.

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Homework Statement



Starting from rest, an object accelerates at a rate of 6.3 m/s² for 2 seconds. What is the speed of the object at the end of that time?

Homework Equations



V= d/t

The Attempt at a Solution



If I plug in the 2 seconds to the m/s² then i get

6.3m/4s=1.575

I know i am messing this up, just not sure how
 
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PhilMTSU12 said:

Homework Equations



V= d/t

How is acceleration related to velocity and time?
 
ahh, i had the wrong formula
a = F/m what would be the net force and the mass?
 
PhilMTSU12 said:
ahh, i had the wrong formula
a = F/m what would be the net force and the mass?

while that is correct, it is not relevant here.

So once again, how does acceleration relate to velocity and time i.e. what is the definition of acceleration?
 
the rate of change of velocity as a function of time.

the rate is 6.3m/s², the distance the object travels or speed is what we are looking for and the time is 2 seconds.

if the object has a constant accelerating of 6.3m/s² for 2 seconds I would think you could just multiply 6.3 times 2.
 
PhilMTSU12 said:
if the object has a constant accelerating of 6.3m/s² for 2 seconds I would think you could just multiply 6.3 times 2.

and that would give you the answer
 

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