What is the total momentum of the system after the string is cut?

What is the total momentum of the system after the string is cut?

Since the system was at rest before the string is cut, the total momentum is zero so the total momentum must still be zero after the string is cut and both carts will move off in opposite directions with equal amounts of momentum.

Which situation will produce the greatest change in momentum?

The momentum change is dependent upon the velocity change; the object with the greatest velocity change has the greatest momentum change.

What is the final formula for momentum?

The momentum, p , of a body of mass m which is moving with a velocity v is p=m×v=mv p = m × v = m v .

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.

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Which object has no momentum?

The momentum of any object that is at rest is 0. Objects at rest do not have momentum – they do not have any mass in motion. Both variables – mass and velocity – are important in comparing the momentum of two objects.

What are two ways to increase momentum?

If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.

Which two objects have the greatest momentum?

A less massive object can never have more momentum than a more massive object. Two identical objects are moving in opposite directions at the same speed. The forward moving object will have the greatest momentum. An object with a changing speed will have a changing momentum.

What is the SI unit of momentum?

Momentum
SI unit kilogram meter per second (kg⋅m/s)
Common symbols p, p
Other units slug⋅ft/s
Dimension MLT1

Can you find momentum without velocity?

Flexi Says: Momentum cannot be found without velocity because momentum is a product of mass and velocity. The formula for momentum is p = mv, where p is momentum, m is mass, and v is velocity. Without knowing the velocity, you cannot calculate momentum.

Is momentum a scalar or vector?

For any physical system, the mass, momentum, and energy of the system must be conserved. Mass and energy are scalar quantities, while momentum is a vector quantity.

What is P in physics?

P = power W = work ∆t = elapsed time Power is the amount of work done per unit time (i.e., power is the rate at which work is done).

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What is the symbol for momentum?

Momentum
Common symbols p, p
SI unit kg⋅m/s
Other units slug⋅ft/s
Conserved? Yes

Why is P used for momentum?

This meaning is also related to the word ‘impetus’ which is the earlier term used for ‘momentum’. The word ‘impetus’ gives the meaning as to go and rush upon which was explained by the term Petere. Hence, momentum is represented by the letter P.

What is the total momentum of a system?

The total momentum of a system is the vector sum of all the individual masses that comprise the system.

What is the total momentum of the carts after the collision?

During a collision, the total momentum of the system of both carts is conserved because the net force on the system is zero. If the momentum of one cart decreases, the momentum of the other cart increases by the same amount.

How do you determine the total momentum of the system after the collision?

Answer and Explanation: The total momentum after a collision (Pf) is calculated by setting it equal to the total momentum before the collision (Pi). We know that these two are equal because the conservation of momentum tells us that the total momentum of a system must be constant unless acted upon by an outside force.

How do you find the total momentum of an object after a collision?

To calculate the total momentum for two objects during a collision, add their individual momentums together. You can calculate momentum for each object by using the formula p=mv, where p is momentum, m is mass, and v is velocity.

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