# Impulse Calculator, Formula, Impulse Calculation

## Impulse Calculator:

Enter the values of mass, m(kg), initial velocity, V1(m/s) and final velocity, V2(m/s) to determine the value of Impulse, I(N.s).

 Enter Mass: kg Enter Initial Velocity: m/s Enter Final Velocity: m/s Result – Impulse: N.s

## Impulse Formula:

Impulse (I) is a measure of the change in momentum of an object when a force is applied over a period. It quantifies the effect of a force acting on an object and is typically measured in newton-seconds. Impulse is directly related to the change in velocity that an object experiences when subjected to a force.

Mass is the amount of matter in the object, measured in kilograms (kg).

Initial velocity of the object before the force is applied, measured in meters per second (m/s).

Final velocity of the object after the force is applied, measured in meters per second (m/s).

Impulse, I(N.s) in Newton seconds is calculated by the product of mass, m(kg) in kilograms and difference of initial velocity, V1(m/s) in metres per second and final velocity, V2(m/s) in metres per second.

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Impulse, I(N.s) = m(kg) * (V2(m/s) – V1(m/s) )

I(N.s) = impulse in Newton seconds, N.s.

m(kg) = mass in kilograms, kg.

V1(m/s) = initial velocity in metres per second, m/s.

V2(m/s) = final velocity in metres per second, m/s.

### Impulse Calculation:

#### 1. Finding Impulse (I)

Given:

Mass m(kg) = 5 kg

Initial Velocity V1(m/s) = 2 m/s

Final Velocity V2(m/s) = 8 m/s

Impulse, I(N.s) = m(kg) * (V2(m/s) – V1(m/s) )

I(N.s) = 5 * (8 – 2)

I(N.s) = 5 * 6

I(N.s) = 30N.s.

#### 2. Determine the Final Velocity (V2)

Given:

Mass m(kg) = 3 kg

Initial Velocity V1(m/s) = 4 m/s

Impulse I(N.s) = 18 N·s

Impulse, I(N.s) = m(kg) * (V2(m/s) – V1(m/s) )

V2(m/s) = I(N.s) /  m(kg) + V1(m/s)

V2(m/s) = 18 / 3 * 4

V2(m/s) = 6 + 4

V2(m/s) = 10m/s.