Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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## < 2 Other formulas that you can solve using the same Inputs

Loss of Kinetic Energy during perfectly inelastic collision
Loss of kinetic energy during perfectly inelastic collision=((Mass of body A*Mass of body B)*(Initial Velocity of body A before collision-Initial Velocity of body B before collision)^2)/(2*(Mass of body A+Mass of body B)) GO
Final Velocity of body A and B after inelastic collision
Final Velocity of body A and B after inelastic collision=((Mass of body A*Initial Velocity of body A before collision)+(Mass of body B*Initial Velocity of body B before collision))/(Mass of body A+Mass of body B) GO

### Coefficient of Restitution Formula

Coefficient of restitution=(Final Velocity of body A after elastic collision-Final Velocity of body B after elastic collision)/(Initial Velocity of body B before collision-Initial Velocity of body A before collision)
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Centripetal Force or Centrifugal Force when angular velocity, mass and radius of curvature are given GO
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Torque required on shaft A to accelerate itself if M.I of A and angular acceleration of shaft A are given GO
Torque on Shaft B to Accelerate Itself when M.I and Angular Acceleration are Given GO
Torque on Shaft B to Accelerate Itself when Gear Ratio is Given GO
Torque on Shaft A to Accelerate Shaft B GO
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Total Torque applied to shaft A to accelerate the geared system GO
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Loss of Kinetic Energy during perfectly inelastic collision GO
Loss of Kinetic Energy during imperfect elastic impact GO
Kinetic Energy of system after inelastic collision GO

## Why is coefficient of restitution important?

The coefficient of restitution is important because it is what determines whether a collision is elastic or inelastic in nature. During the collision, in a perfect system, the kinetic energy of one object would get transferred to the other object when it collides.

## What affects coefficient restitution?

The coefficient of restitution depends to a large extent on the nature of the two materials of which the colliding objects are made. It is also affected by the impact velocity, the shape and size of the colliding objects, the location on the colliding objects at which the collision occurs, and their temperatures.

## How to Calculate Coefficient of Restitution?

Coefficient of Restitution calculator uses Coefficient of restitution=(Final Velocity of body A after elastic collision-Final Velocity of body B after elastic collision)/(Initial Velocity of body B before collision-Initial Velocity of body A before collision) to calculate the Coefficient of restitution, Coefficient of Restitution, also denoted by (e), is the ratio of the final to initial relative velocity between two objects after they collide. A perfectly inelastic collision has a coefficient of 0, but a 0 value does not have to be perfectly inelastic. Coefficient of restitution and is denoted by e symbol.

How to calculate Coefficient of Restitution using this online calculator? To use this online calculator for Coefficient of Restitution, enter Initial Velocity of body A before collision (u1), Initial Velocity of body B before collision (u2), Final Velocity of body A after elastic collision (v1) and Final Velocity of body B after elastic collision (v2) and hit the calculate button. Here is how the Coefficient of Restitution calculation can be explained with given input values -> 0.8 = (12-8)/(10-5).

### FAQ

What is Coefficient of Restitution?
Coefficient of Restitution, also denoted by (e), is the ratio of the final to initial relative velocity between two objects after they collide. A perfectly inelastic collision has a coefficient of 0, but a 0 value does not have to be perfectly inelastic and is represented as e=(v1-v2)/(u2-u1) or Coefficient of restitution=(Final Velocity of body A after elastic collision-Final Velocity of body B after elastic collision)/(Initial Velocity of body B before collision-Initial Velocity of body A before collision). Initial Velocity of body A before collision, is the rate of change of its position with respect to a frame of reference, and is a function of time, Initial Velocity of body B before collision, is the rate of change of its position with respect to a frame of reference, and is a function of time, Final Velocity of body A after elastic collision, is the last velocity of a given object after a period of time and Final Velocity of body B after elastic collision, is the last velocity of a given object after a period of time.
How to calculate Coefficient of Restitution?
Coefficient of Restitution, also denoted by (e), is the ratio of the final to initial relative velocity between two objects after they collide. A perfectly inelastic collision has a coefficient of 0, but a 0 value does not have to be perfectly inelastic is calculated using Coefficient of restitution=(Final Velocity of body A after elastic collision-Final Velocity of body B after elastic collision)/(Initial Velocity of body B before collision-Initial Velocity of body A before collision). To calculate Coefficient of Restitution, you need Initial Velocity of body A before collision (u1), Initial Velocity of body B before collision (u2), Final Velocity of body A after elastic collision (v1) and Final Velocity of body B after elastic collision (v2). With our tool, you need to enter the respective value for Initial Velocity of body A before collision, Initial Velocity of body B before collision, Final Velocity of body A after elastic collision and Final Velocity of body B after elastic collision and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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