# Initial Kinetic Energy Calculator, Formula, Initial Kinetic Energy Calculation

## Initial Kinetic Energy Calculator:

Enter the values of Final Kinetic Energy KEf(J), Change in Mass dm(kg) & Change in Mass dV(m/s)  to determine the value of Initial Kinetic Energy KEi(J).

 Enter Final Kinetic Energy: J Enter Change in Mass: kg Enter Change in Velocity: m/s Result – Initial Kinetic Energy: J

## Initial Kinetic Energy Formula:

The Initial Kinetic Energy KEi(J) in Joules is Equal to the Final Kinetic Energy KEf(J) in Joules is Subtraction by the Half into Multiply the Change in Mass dm(kg) in kilogram and id Multiply the Change in Velocity dV(m/s) in meter per second is squared.

The Equation of Initial Kinetic Energy can be written as,

KEi(J) = KEf(J) – (½ * dm(kg) * dV2(m/s))

Here,

KEi(J) = Initial Kinetic Energy in Joules

KEf(J) = Final Kinetic Energy in Joules

dm(kg) = Change in Mass in kilogram

dV(m/s) = Change in Velocity in meter per second

### Initial Kinetic Energy Calculation:

1) Calculate the Initial Kinetic Energy and given for the Final Kinetic Energy = 450J, Change in Mass = 5kg, Change in Velocity = 7m/s.

KEi = KEf – (1/2 * dm * dV2)

KEi = 450 – (0.5 * 5 * 72)

KEi = 327.5 Joules.

2) Calculate the Change in Velocity and given for the Final Kinetic Energy = 450J, Change in Mass = 5kg, Initial Kinetic Energy = 327.5 Joules.