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What are Drift velocity and momentum relaxation time?
Drift velocity refers to a particle's average velocity being influenced by its electric field. Momentum relaxation time is the time required for the inertial momentum of a particle to become negligible.
How do you find time with momentum and force?
To find time with momentum and force, you can use the impulse-momentum theorem which states that impulse is equal to the change in momentum. Mathematically, impulse (force multiplied by time) equals the change in momentum (mass multiplied by final velocity minus initial velocity). By rearranging the formula, you can solve for time: time = change in momentum / force.
Relation between relaxation time and mean collision time?
The relaxation time is related to the mean collision time through the expression: relaxation time = mean collision time / (1 - f), where f is the fraction of collisions that result in thermalization. The mean collision time represents the average time between particle collisions, while the relaxation time is the time it takes for a system to reach thermal equilibrium after a perturbation.
How does time affect momentum?
Time does not directly affect momentum. Momentum is determined by an object's mass and velocity, which are independent of time. However, changes in momentum over time can be influenced by forces acting on an object, such as a push or pull, which can accelerate or decelerate the object.
How does impulse related to linear momentum?
Impulse is integral of linear momentum with respect to time, and in limits when that momentum was transferred.
What is Change in momentum times time?
The quantity change in momentum times time is equal to the impulse. Impulse is a measure of the impact or force involved in changing an object's momentum and is calculated by multiplying the force applied to an object by the time over which the force is exerted.
What is the product of the impulse on an object and the time during which it is applied?
The product of impulse and time is equal to the change in momentum of the object. This is known as the impulse-momentum theorem, which states that the impulse experienced by an object is equal to the change in its momentum. Mathematically, it can be represented as Impulse = Change in momentum = force * time.
What is Mass times distance divided by time?
Momentum. Distance divided by time is speed. Mass times speed is momentum.
What is impulse and how does it affect the momentum of an object?
Impulse is the product of force and time, causing a change in momentum. When a force is applied to an object for a period of time, it generates an impulse that changes the object's momentum. A larger impulse results in a greater change in momentum.
What is the Law of convesation of momentum?
The law of conservation of momentum states that the total momentum of a system remains constant if no external forces are acting on it. This means that in a closed system, the total momentum before an interaction is equal to the total momentum after the interaction. It is a fundamental principle in physics.
Why collision time and relaxation time are not equal in anisotropic medium?
average time, an electron spends between two successive collision, is called relaxation time and time spent by electron at point of contact, is called collision time
How do you draw a momentum -time graph for force-time graph?
The momentum-time graph is the integral of the force-time graph. that is, it is the area under the curve of the f-t graph.The momentum-time graph is the integral of the force-time graph. that is, it is the area under the curve of the f-t graph.The momentum-time graph is the integral of the force-time graph. that is, it is the area under the curve of the f-t graph.The momentum-time graph is the integral of the force-time graph. that is, it is the area under the curve of the f-t graph.
