Question

Consider an elastic collision in one dimension that involves
objects of mass m_{1}=2 kg and m_{2}=11.3 kg. The
larger mass is initially at rest, and the smaller one has an
initial velocity of 16 m/s. Find the final velocities of the two
objects after the collision.

v_{1f}

v_{2f}

Answer #1

5. [1pt]
Consider a perfectly elastic collision between two objects of equal
mass. Object 1 is initially moving with a velocity v = 3.04 m/s
while object 2 is at rest. What are the final velocities after the
collision? Enter the final velocity of object 1 first.
Answer 1 of 2:
Answer 2 of 2:
6. [1pt]
If the objects have masses m1 = 1.69 kg and
m2 = 4.04 kg, what are the final velocities of the
objects after...

A glider of mass m1 = 8 kg has a velocity
v1i = +2 m/s before colliding
with a second glider of mass m2 = 4 kg, moving
with velocity v2i = -4 m/s.
After the collision the first glider has a velocity of
v1f = -1 m/s. This collision
is
Elastic
Partially inelastic
Totally inelastic
Impossible
A glider of mass m1 = 8 kg has a velocity v1i = +2 m/s before
colliding with a second glider of mass...

(a) Suppose you have a one-dimensional collision with m1 = 385 g
and m2 = 390. g. The initial velocities are given to be v1i = 2.40
m/s, v2i = -1.30 m/s, and the final velocity of m2 is v2f = 1.30
m/s. What is the final velocity of m1 ?
______ m/s
(b) What are the initial and final kinetic energies of this
system, before and after the collision?
ki = ______ J
kf = _______ J
(c) is...

A block with mass m1 = 10 kg moving at 5 m/s collides with
another block with mass m2 = 20 kg moving the other way at 1 m/s.
The two blocks stick together after the collision.
(a) What is their common final velocity, vf ?
(b) The blocks collide again, this time elastically. Assume that
the outgoing blocks move away from the collision along the initial
line of approach. What are the final velocities, v1f and v2f ?

Two rubber balls undergo an elastic collision. Ball 1 has a mass
of 10 kg and an initial velocity of 5 m/s in the positive x
direction. Ball 2 has a mass of 10 kg and is
stationary. What is the final velocity of the two
balls, v1f, and v2f?

A car with mass M1 “ 2700 kg collides with a car of mass M2 “
3200 kg. Before the collision car 1 has velocity ⃗v1i “p6m{s,
́14m{sqandcar2hasvelocity⃗v2i “p15m{s,0q. (a) What is the total
momentum of the two cars? (6 pts) (b) Immediately after the
collision the velocity of car 1 is ⃗v1f “ p14 m{s, ́6 m{sq. What is
the velocity ⃗v2f of car 2 after the collision? (9 pts)

Two masses collide in an elastic collision,
with the following initial values:
m1 = 2 kg
m2 = 3 kg
v01 = 5 m/s
v02 = -4 m/s
Use the conservation rules, and algebra, what is the final
velocity of mass 1, vf1 in m/s?

In the lab frame two masses, m1=10 kg and
m2=6 kg collide elastically in one dimension with
initial velocities v1=17 m/s and v2=3
m/s.
Calculate the kinetic energy of mass mn after the
collision, where n=2.
Enter responses using three significant digits.

Suppose that we have two masses, m1 and m2, traveling at initial
velocities v1i and v2i . After they collide, they will have
velocities v1f and v2f . The collision will happen along a straight
line, and there are no external forces involved. Answer all
exercises.
Exercise 2
For the collision above what is are the initial and final
kinetic energies? Is kinetic energy conserved in the collision?
Exercise 3
Let m1 = 500 g, m2 = 500 g, v1i...

A ball of mass m1=0.250 kg and velocity v1=5.00 m/s
[E] collides head-on with a ball of mass m2=0.800 kg that is
initially at rest. No external forces act on the balls.
a. Show what is conserved through the appropriate formula if the
collision is elastic.
b. What are the velocities of the balls after the
collision?

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