Conservatio of Momentum Questions The total momentum of a two-cart system just b
ID: 1475378 • Letter: C
Question
Conservatio of Momentum Questions
The total momentum of a two-cart system just before the collision is equal to the total momentum just after the collision
If it is an elastic collision
If it is an inelastic collision
Regardless of the type of collision
During a collision the total momentum of the two-cart carts is conserved. This is because
The net force on the two-cart system is zero.
There are no external horizontal forces acting on the system
The collision force acting on the red cart is equal and opposite to the collision force acting on the blue cart
All of the above
The red and blue carts collide with their magnetic bumpers facing each other, the carts rebound with the same speed after the collision.
This type of collision is called an (elastic / inelastic) collision
This type of collision (conserves / does not conserve) kinetic energy
This type of collision (conserves / does not conserve) the total momentum of the two-cart system
This type of collision (conserves / does not conserve) the momentum of the red cart.
This type of collision (conserves / does not conserve) the momentum of the blue cart.
The red and blue carts collide with their Velcro bumpers facing each causing the carts to stick together.
This type of collision is called an (elastic / inelastic) collision
This type of collision (conserves / does not conserve) kinetic energy
This type of collision (conserves / does not conserve) the total momentum of the two-cart system
This type of collision (conserves / does not conserve) the momentum of the red cart.
This type of collision (conserves / does not conserve) the momentum of the blue cart.
A system has 100 J of kinetic energy before a collision and 75 J of kinetic energy after the collision, what percentage of the kinetic energy was lost?
Write a general equation for the percent kinetic energy lost during a collision. Use the symbols Ki and Kf in your equation.
Explanation / Answer
1
Regardless of the type of collision
2
All of the above
3 elastic, conserve, conserve, doesnt conserve, doesny conserve
4inelastic doesnt conserve, conserve, doesny conserve doesnt conserve
5 Kf-Ki/Ki *100 =25 in this case
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