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JudyDelta velocity, often denoted as Δv, is a measure of the change in velocity of an object. It is the difference between the final velocity and the initial velocity of the object in question. Delta velocity is important in physics and engineering, particularly in the field of spacecraft propulsion for calculating the amount of thrust needed to achieve a desired change in velocity.
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Does an object that is moving in a linear path with an acceleration in the direction opposite to the motion have a decreasing velocity?
Yes, if an object is moving in a linear path with an acceleration in the direction opposite to its motion, its velocity will decrease. This is because the acceleration is acting against the object's initial motion, causing it to slow down.
What two things do you need to find an objects velocity?
To find an object's velocity, you need to know its displacement (change in position) and the time it took for that displacement to occur. Velocity is calculated by dividing the displacement by the time taken.
Explain Why a change in velocity effects acceleration?
Acceleration is the rate of change of velocity over time. Therefore, when there is a change in velocity, it directly affects acceleration because acceleration is influenced by how quickly or slowly an object's velocity changes. If an object speeds up, slows down, or changes direction, its velocity changes, leading to a corresponding change in acceleration.
What is delta velocity?
Delta velocity, often denoted as ΔV, is the change in velocity of an object in a given direction. It is a measure of how much the velocity of an object has changed, whether it has increased or decreased. In the context of space travel, delta velocity is crucial for determining the amount of propellant needed to perform maneuvers such as orbital insertion or trajectory correction.
What equation shows the relationship among velocity time and acceleration?
The equation that describes the relationship among velocity, time, and acceleration is v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time. This equation is known as the first equation of motion in physics.
