How is the change in velocity defined?

How is the change in velocity defined?

• A. Velocity after + velocity before
• B. Velocity before - velocity after
• C. Velocity after - velocity before
• D. Initial velocity - final velocity

Answer: (C)

The change in velocity is defined as the difference between the final velocity and the initial velocity of an object. This can be expressed mathematically as change in velocity equals final velocity minus initial velocity. In this context, when we talk about "velocity after," we refer to the final velocity, and "velocity before" pertains to the initial velocity. Thus, the correct representation of change in velocity captures how much the object's speed or direction has altered over a specified time interval. If the final velocity is greater than the initial velocity, the change will be positive, indicating acceleration; if it’s less, the change will be negative, indicating deceleration. In both scenarios, this understanding helps to explain the overall motion of the object. The other definitions provided do not accurately represent change in velocity. For instance, summing the velocities or reversing the order of subtraction would not yield the correct physical quantity associated with motion. Understanding the correct definition of change in velocity is essential for analyzing motion in mechanics.

The change in velocity is defined as the difference between the final velocity and the initial velocity of an object. This can be expressed mathematically as change in velocity equals final velocity minus initial velocity. In this context, when we talk about "velocity after," we refer to the final velocity, and "velocity before" pertains to the initial velocity.

Thus, the correct representation of change in velocity captures how much the object's speed or direction has altered over a specified time interval. If the final velocity is greater than the initial velocity, the change will be positive, indicating acceleration; if it’s less, the change will be negative, indicating deceleration. In both scenarios, this understanding helps to explain the overall motion of the object.

The other definitions provided do not accurately represent change in velocity. For instance, summing the velocities or reversing the order of subtraction would not yield the correct physical quantity associated with motion. Understanding the correct definition of change in velocity is essential for analyzing motion in mechanics.