Solved: Help with Collisions Homework | Calculate Velocity & Mass

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SUMMARY

The discussion revolves around a physics problem involving a 2.0 kg frictionless cart colliding with a stationary mass. Initially, the cart moves at 3.0 m/s and after the collision, its speed reduces to 1.6 m/s. The task is to calculate the final velocity of the cart and the mass of the second cart using the principles of conservation of momentum. The relevant equations for solving this problem include the conservation of momentum formula.

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  • Understanding of conservation of momentum in collisions
  • Familiarity with basic physics concepts such as mass and velocity
  • Ability to apply equations of motion in one dimension
  • Knowledge of frictionless surfaces in physics problems
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  • Study the conservation of momentum in elastic and inelastic collisions
  • Learn how to calculate final velocities using the momentum equation
  • Explore examples of collision problems in physics textbooks
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Fabio233
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Homework Statement


hey everybody i got a problem but do not know how to do it, A 2.0 kg frictionless cart is moving at a constant speed of 3.0m/s to the right on a horizontal surface. it then collides with a mass that is at rest. as a result the cart acquires a speed of 1.6m/s. Neglect friction.

Caluclate magnitude and direction of the velocity of the 2.0 kg cart after the collison
Calculate mass of the second cart.


Homework Equations


Im not sure what equations i need to use so that's why i am here.


The Attempt at a Solution


No idea of how to solve please help thanks a lot.
 
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Fabio233 said:

Homework Statement


hey everybody i got a problem but do not know how to do it, A 2.0 kg frictionless cart is moving at a constant speed of 3.0m/s to the right on a horizontal surface. it then collides with a mass that is at rest. as a result the cart acquires a speed of 1.6m/s. Neglect friction.

Caluclate magnitude and direction of the velocity of the 2.0 kg cart after the collison
Calculate mass of the second cart.
.
Hi Fabio, welcome to PF.

Which final velocity is given? Cart or mass?
 

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