Question

Describe momentum and conservation of mumentum.

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

Answer #1

The momentum of a particle is a vector quantity which is equal to the product of its mass times its velocity (p = m*v). The momentum of a system is the vector sum of the momenta of the objects which make up the system. For an isolated system (no other external forces are acting on the system), the momentum of the system is constant which implies that momentum is conserved. In simple terms, momentum lost by one (or more) of the objects in a system is gained by the other objects.

In both perectly elastic and inelastic collisions, the momentum is conserved. However, in elastic collision, there is no loss of kinetic energy (kinetic energy is conserved), where as in inelastic collision, some part of kinetic energy is lost in heat or friction (some other forms of energy). In elastic collision, there is no dissipative force acting during the collision.

Hi, I'm doing an experiement where I compare elastic and
ineslatic collision on a straight track vs circular track with toy
cars and velcro for inelastic collision. My question is whether or
not momentum and kinetic energy is conserved in the circular track
for elastic and inelastic collision similiar to the straight track?
whats the difference between straight and circular track (like is
momentum not conserved in elastic collision ? etc.)? I know the
straight trac uses linear momentum and...

What is the purpose of Conservation of linear momentum
experiment?
What is the theory of Conservation of linear momentum
experiment? ( Write a paragraph on elastic and inelastic collision.
Include related equations as well. (you will find them in lab
manual).)

If you have elastic collision between two objects m1
and m2 , what principles may you apply?
A.
Conservation of momentum only
B.
Conservation of momentum and conservation of total energy
C.
None of the conservation principles
D.
Conservation of mass only
E.
Conservation of total energy only

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.

During a collision between a photon and an electron, there is
conservation of
(A) energy, only
(B) momentum, only
(C) both energy and momentum
(D) neither energy nor momentum
As a photon loses energy during a collision, its wavelength
(A) decreases
(B) increases
(C) remains the same

what is the difference between elastic and inelastic neutron
scattering in terms of energy

EXAMPLE 6.4A Truck Versus a Compact
GOAL Apply conservation of momentum to a one-dimensional inelastic
collision.
PROBLEM A pickup truck with mass 1.80 103 kg is traveling eastbound
at +15.0 m/s, while a compact car with mass 9.00 102 kg is
traveling westbound at −15.0 m/s. (See figure.) The vehicles
collide head-on, becoming entangled. (a) Find the speed
of the entangled vehicles after the collision.
(b) Find the change in the velocity of each
vehicle. (c) Find the change in...

When it comes to a car crash, which type of collision is better
for the health of the driver?
A) inelastic, because kinetic energy is not conserved
B) elastic, because momentum and kinetic energy are
conserved
C) inelastic, because momentum is conserved
D) both are equally safe

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

Hi, please make up an example that matches this description
Inelastic rotational 'collision' (analog of linear inelastic
collisions): given initial rotational velocities of two objects, as
well as enough information to determine moments-of-inertia,
determine final rotational velocity, as well as heat generated in
'collision' when they 'collide' (e.g., hit each other and form a
composite object). To do this, you will have to first calculate the
final angular velocity of the composite object, using conservation
of angular momentum, then calculate...

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