How Is Acceleration Calculated for a Bullet in a Rifle Barrel?

In summary, constant acceleration refers to an object's velocity changing at a constant rate over time. It differs from uniform motion, which involves a constant speed in a straight line. The formula for calculating constant acceleration is a = (vf - vi) / t. Real-world examples of constant acceleration include a car accelerating, a ball being thrown, and a rocket taking off. Constant acceleration causes an object's velocity to change linearly over time, resulting in a consistent increase or decrease in speed.
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iiskenny
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The barrel of a rifle has a length of 0.877 m. A bullet leaves the muzzle of a rifle with a speed of 612 m/s.
What is the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem.
Answer in units of m/s2.
 
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Related to How Is Acceleration Calculated for a Bullet in a Rifle Barrel?

1. What is constant acceleration?

Constant acceleration refers to the rate at which an object's velocity changes over time, remaining constant throughout the object's motion. In other words, the object's speed increases or decreases by the same amount in each unit of time.

2. How is constant acceleration different from uniform motion?

Uniform motion refers to an object moving with a constant speed in a straight line. Constant acceleration, on the other hand, involves an object's speed changing at a constant rate, even if it is moving in a straight line.

3. What is the formula for calculating constant acceleration?

The formula for constant acceleration is a = (vf - vi) / t, where a is the acceleration, vf is the final velocity, vi is the initial velocity, and t is the time interval.

4. What are some real-world examples of constant acceleration?

Some examples of constant acceleration include a car accelerating or decelerating at a constant rate, a ball being thrown into the air and falling back to the ground, or a rocket taking off into space.

5. How does constant acceleration affect an object's motion?

Constant acceleration causes an object's velocity to change at a constant rate, resulting in a linear change in position over time. This means that the object's speed will either increase or decrease by the same amount in each unit of time.

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