Impulse and Momentum of two cars

Its magnitude is the same as the magnitude of the total momentum of the two cars. In summary, the two identical cars with a mass of 1350 kg each are traveling at 25.0 m/s in opposite directions. The magnitude of the total momentum is equal to the magnitude of the net average force in regions A.
  • #1
patymae
3
0

Homework Statement


Two identical cars (m = 1350 kg) are traveling at the same speed of 25.0 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?
img:http://higheredbcs.wiley.com/legacy...ics/sat_c07/sat_c07_q1_03/sat_c07_q1_03_1.gif


A particle is moving along the +x axis, and the graph shows its momentum p as a function of time t. What is the magnitude of the net average force in regions A . Give your answer to two significant figures, e.g., 6.3 or 0.72.
img: http://higheredbcs.wiley.com/legacy...ics/sat_c07/sat_c07_q1_08/sat_c07_q1_08_1.gif

Homework Equations



i don't know I'm confused.

The Attempt at a Solution



please help me.thank you very much!
 
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  • #2
For the first one, try splitting the momenta into x and y components and then finding the resultant x and y momenta
 
  • #3
how can i split the momentum?hoho confused
 
  • #4
Momentum is a vector.
 

Related to Impulse and Momentum of two cars

1. What is the definition of impulse and momentum in relation to two cars?

Impulse is the change in momentum of an object, while momentum is the product of an object's mass and velocity. In the context of two cars, impulse and momentum refer to the forces and motion involved in a collision between the two vehicles.

2. How is impulse and momentum related to the concept of conservation of momentum?

According to the law of conservation of momentum, the total momentum of a closed system remains constant. In the case of two cars colliding, the total momentum of the cars before and after the collision must be equal, meaning that the impulse experienced by one car must be equal and opposite to the impulse experienced by the other car.

3. How does the mass and velocity of two cars affect their impulse and momentum in a collision?

The greater the mass and velocity of a car, the greater its momentum. In a collision between two cars, the change in momentum (impulse) of each car will depend on its mass and velocity. A heavier and faster car will experience a greater impulse and therefore a larger change in momentum compared to a lighter and slower car.

4. Can the impulse and momentum of two cars be calculated using equations?

Yes, the impulse and momentum of two cars can be calculated using the equations Impulse = Force x Time and Momentum = Mass x Velocity. These equations also take into account the angles and directions of the forces involved in the collision.

5. How does the law of conservation of energy apply to the impulse and momentum of two cars?

The law of conservation of energy states that energy cannot be created or destroyed, only transferred from one form to another. In the context of two cars colliding, the kinetic energy (energy of motion) before the collision will be transferred and divided between the two cars after the collision. This means that the total kinetic energy of the system will remain the same, but it may be distributed differently between the two cars.

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