Question

explain both elastic and inelastic collision in 1D

Answer #1

Elastic collision - when two objects collide in one dimensional ( head - on), they often exchange velocities if masses are same. For example - if one ball of mass m moving at velocity v collides with energy ball of mass m which is stationary, then after the collision, the stationary ball will now move with velocity v but the ball which was moving initially will now come to rest.

Both momentum and energy is conserved in elastic collision

equation is given as

m1v1i = m1v1i = m1v1f + m2v2f

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Inelastic collision - This is a type of collision in which two colliding bodies stick with each other after the collision and move as one with common velocity. In this collision, momentum is conserved but energy is not because energy is lost as heat when two objects stick together.

the equation is given as

m1v1 + m2v2 = ( m1 + m2)v

what role does friction play in an elastic and inelastic
collision experiement?

Describe momentum and conservation of mumentum.
Describe the difference between an elastic and inelastic
collision. (mention which conserves kinetic energy)

n Lab 8 we investigated two types of collisions, elastic and
inelastic. Assuming an inelastic collision, cart 1 with inertia of
M and velocity V collides with a stationary cart 2 with inertia of
M and they stick together what is the final velocity of the two
carts?
V
4V
V/2
2V

Elastic collisions: one at rest one moving, two colliding, both
initially moving the same direction.
Inelastic collisions: one at rest one moving, two colliding,
both initially moving the same direction.
Perfectly elastic collisions: one at rest one moving, two
colliding, both initially moving the same direction.
Was momentum conserved for all types of collisions you examined
in this experiment? If not, explain the cause of losing or
gaining momentum. Was total velocity conserved for all types of
collisions you examined...

Does the partially elastic collision transfer (more, less, or
the same) momentum to the catcher than the completely inelastic
collision? Explain.

Two cars have a head on- collision, bounce off each other, and
their front end are smashed in. What time of collision is this?
a) Elastic collision where both momentum and energy is
conserved.
b) A combination of elastic and inelastic collision where
kinetic energy is conserved.
c) Inelastic collision where both momentum and energy is
conserved.
d) A combination of elastic and inelastic collision where
kinetic energy is not conserved.

Is short-run demand for Medical care and hospitalization item
elastic or inelastic? Explain. Is long-run demand for this item
elastic or inelastic? Explain.

What is your elasticity of demand for going to this school? Is
it elastic, inelastic, or unit elastic? Explain your
reason. If tuition rose 10%, what would you do?
What is your elasticity of demand for gasoline? is it elastic,
inelastic, or unit elastic? explain your reason. If gas prices rose
10%, what would you do?
What is your elasticity of demand for movies?, is it elastic,
inelastic or unit elastic? Explain your reason. if movie ticket
prices rose 10%,...

1. What is characteristic of the demand for a commodity that is
elastic or inelastic or unit elastic?
2. In economics total cost include __________ (implicit or
explicit or both???)

Explain the difference between elastic and inelastic collisions
and identify which quantities are conserved in each and why.

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