Solving for average acceleration.

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SUMMARY

The discussion centers on calculating the average acceleration of a car that decelerates from an initial velocity of 12 m/s at an angle of 30 degrees North of East to a final velocity of 10 m/s directly East. The key point is that without the time duration of the deceleration, it is impossible to determine the average acceleration. The lack of time data is a critical factor in solving this physics problem.

PREREQUISITES
  • Understanding of kinematics, specifically average acceleration calculations.
  • Familiarity with vector components of velocity.
  • Knowledge of the relationship between velocity, acceleration, and time.
  • Basic grasp of trigonometry to resolve angles in velocity vectors.
NEXT STEPS
  • Study the equations of motion in kinematics, focusing on average acceleration.
  • Learn how to resolve vector velocities into their components.
  • Research the concept of time intervals in relation to acceleration calculations.
  • Explore practical examples of deceleration scenarios in physics problems.
USEFUL FOR

Students studying physics, particularly those focusing on kinematics and acceleration, as well as educators looking for examples of real-world applications of these concepts.

Polyrix
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Homework Statement



A car initially moving at 12 m/s [E 30o N] accelerates until it reaches a final velocity of 10 m/s [E]. What was the average acceleration of the car?

I couldn't attempt anything. There isn't any magnitude given save for velocity, so I have no clue how to solve this, and whether it's even possible.
 
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you can't tell the avarage acceleration if you don't know in how much time the car decelerate from 12 to 10 m/s.
 

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