Calculating Average Acceleration in Terms of g's for a Car Collision

In summary, average velocity in g's is a measure of an object's motion in terms of the acceleration due to gravity, typically expressed in units of "g". It is calculated by dividing the change in velocity by the time it takes for that change to occur. This measurement is important in scientific research, particularly in fields such as aerospace engineering, physics, and sports science. A high average velocity in g's is generally considered to be 5 g's or higher and can have significant effects on the human body. Average velocity in g's differs from average speed in that it takes into account both the magnitude and direction of an object's motion and is typically used for objects experiencing acceleration due to gravity.
  • #1
Axarotiti
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Homework Statement


A car traveling at 85km/h strikes a tree. the front end of the car comoresses and the driver comes to rest after traveling 0.8m.


Homework Equations



a) What was the average acceleration of the driver during the collision?
b) Express the answer in terms of g's ; where 1.00g = 9.8m/s?

The Attempt at a Solution

 
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  • #2
You're forgetting the attempt at the solution :)
 

What is average velocity in g's?

Average velocity in g's is a measure of an object's motion in terms of the acceleration due to gravity. It is typically expressed in units of "g" which is equal to 9.8 meters per second squared.

How is average velocity in g's calculated?

Average velocity in g's is calculated by dividing the change in velocity by the time it takes for that change to occur. This can be expressed as the formula: average velocity = (final velocity - initial velocity)/time.

Why is average velocity in g's important in scientific research?

Average velocity in g's is important because it allows scientists to accurately measure and analyze an object's motion, particularly in situations where the acceleration due to gravity is a major factor. It is commonly used in fields such as aerospace engineering, physics, and sports science.

What is considered a high average velocity in g's?

A high average velocity in g's would depend on the context and the object being measured. However, in general, an average velocity of 5 g's or higher is considered high and can have significant effects on the human body, such as causing discomfort or injury.

How does average velocity in g's differ from average speed?

Average velocity in g's takes into account both the magnitude and direction of an object's motion, while average speed only considers the magnitude. Additionally, average velocity in g's is typically used for objects that experience acceleration due to gravity, while average speed can be used for any type of motion.

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