# What is the momentum of the two cars after collision if its momentum before collision is 50 kg?

## What is the momentum of the two cars after collision if its momentum before collision is 50 kg?

Let, P = Momentum of car 2 after the collision. Total initial momentum = Initial momentum of car 1 + Initial momentum of car 2 = 0 + 50 kgm/s = 50 kgm/s. Total final momentum = 10 kgm/s + P. Thus, P = 40 kgm/s.

## What is the velocity of a car after collision?

Once the momentum of the individual cars are known, the after-collision velocity is determined by simply dividing momentum by mass (v=p/m).

## What is the momentum of the system made up of the two cars after the collision?

The momentum of each car is changed, but the total momentum ptot of the two cars is the same before and after the collision if you assume friction is negligible. where F1 is the force on car 1 due to car 2, and Δt is the time the force acts, or the duration of the collision.

## What is the formula for momentum in a collision?

Before the collision, one car had velocity v and the other zero, so the centre of mass of the system was also v/2 before the collision. The total momentum is the total mass times the velocity of the centre of mass, so the total momentum, before and after, is (2m)(v/2) = mv.

## How to find momentum?

Step 1: List the mass and velocity of the object. Step 2: Convert any values into SI units (kg, m, s). Step 3: Multiply the mass and velocity of the object together to get the momentum of the object.

## What is the formula for the final velocity of a collision?

What is the formula of collision? From the conservation of momentum, the formula during a collision is given by: m1v1 + m2v2 = m1v’1 + m2v’2. If the collision is perfectly inelastic, the final velocity of the system is determined using v’ = (m1v1 + m2v2)/m1 + m2.

## How to calculate velocity?

Determine the object’s original velocity by dividing the time it took for the object to travel a given distance by the total distance. In the equation V = d/t, V is the velocity, d is the distance, and t is the time.

## How do you find the velocity of the second object after a collision?

If two particles are involved in an elastic collision, the velocity of the second particle after collision can be expressed as: v2f=2⋅m1(m2+m1)v1i+(m2−m1)(m2+m1)v2i.

## What is the formula for initial and final momentum?

The Impulse-Momentum Principle says I=mv−mu I = m v − m u which is final momentum – initial momentum so Impulse is the change in momentum. The principle of states that total momentum before impact is equal to total momentum after impact, m1u1+m2u2=m1v1+m2v2.

## Is momentum always conserved?

Momentum is always conserved because there is no external force acting on an isolated system (like the universe). Since momentum can never change, all of its components will always remain constant. Problems brought on by collisions should be resolved using the rule of conservation of momentum.

## What is the unit for momentum?

In the International System of Units (SI), the unit of measurement of momentum is the kilogram metre per second (kg⋅m/s), which is equivalent to the newton-second.

## Is momentum the same as force?

Even though these physical quantities are similar, there is a difference between force and momentum. Force is generally the external action upon a body, whether a pulling or pushing action. Momentum, on the other hand, is the representation of the amount of motion within a moving body.

## Is momentum is a vector?

The momentum of a body is a vector quantity, for it is the product of mass, a scalar, by velocity, a vector.

## What is total momentum?

Momentum is equal to the mass of an object multiplied by its velocity and is equivalent to the force required to bring the object to a stop in a unit length of time. For any array of several objects, the total momentum is the sum of the individual momenta.

## How do you find the momentum of two objects before a collision?

Then the total momentum of the system initially, that’s before the collision, is equal to the mass of the first object multiplied by the velocity of the first object. This is the momentum of the first object. Plus the mass of the second object multiplied by the velocity of the second object.