Question

Two
objects make an elastic , one dimensional collision. Before the
collision the 35 gram object was moving to the right at 14m/s,
while the 55 gram object was moving to the left at 12m/s. Find the
objects’ velocities after colliding.

Answer #1

A 1.0kg object initially moving with a velocity of 3.0m/s to the
right makes an elastic head-on collision with a 1.5kg object
initially moving to the left at 2.0m/s. a) What are the final
velocities of the two objects after the collision? b) Using the
given initial data for the two-object system as well as your
results, show that the total kinetic energy is conserved for this
elastic collision.

Two objects collide in a totally inelastic collision. Just
before the collision,
the objects have the following masses and velocities:
M1 = 4.5 kg, v1 = 1.5 m/s @ 140o. M2 = 1.5 kg, v2 = 1 m/s @
180o.
a) Find the velocity of the object after the collision.
b) How much kinetic energy was lost in the collision.

Two rubber objects undergo a collision that we will approximate
as being elastic. The first object has mass 12.0 kg, and the second
object has mass 12.0 kg. Before the collision, the first object is
traveling at 4.00 m/s and the second object is traveling at -4.00
m/s (negative meaning in the opposite direction).
What is the velocity of the second object, after the
collision?

One object is at rest, and another is moving. The two collide in
a one-dimensional, completely inelastic collision. In other words,
they stick together after the collision and move off with a common
velocity. Momentum is conserved. The speed of the object that is
moving initially is 30 m/s. The masses of the two objects are 3.0
and 7.6 kg. Determine the final speed of the two-object system
after the collision for the case (a) when the large-mass object is...

A 10.0 g object moving to the right at 17.0 cm/s makes an
elastic head-on collision with a 15.0 g object moving in the
opposite direction at 35.0 cm/s. Find the velocity of each object
after the collision.
10g object
15g object

-A 11.0g object moving to the right at 18.6 cm/s makes an
elastic head-on collision with a 17.9g object moving in the
opposite direction at 29.2 cm/s. What is the velocity of the 11.0g
object after the collision (assume positive to the right)?
- What is the velocity of the 17.9g object after the collision?

1.Two objects collide and stick together. The
collision [must be, may or may not be, cannot be] elastic.
2.Two objects collide and do not stick together. The collision
[must be, may or may not be, cannot be] elastic.
3.A moving object collides with an equal mass object initially at
rest. The first object stops after the collision. The collision
[must be, may or may not be, cannot be] elastic.
4. A moving object collides with another object of greater mass...

Two objects moving in the positive x direction have a perfectly
inelastic collision. The first object has a mass of 12 kg and a
velocity of 4 m/s. The second has a mass of 7 kg and a velocity of
1 m/s. (a) What is the velocity of the center of mass of the
system? (b) What are the velocities of the masses in the center of
mass frame? (I.e., imagine that you are moving with a velocity
v cm....

Two objects collide head on. Assume they have equal masses but
unequal velocities, such that the one coming in from the right is
moving at 23.92 m/s toward the left, and the one coming in from the
left is moving at 86.56 m/s toward the right. After the collision,
what is the velocity of the one that came in from the left? (Use +
to the right and - to the left to distinguish direction in your
answer.) Give your...

2 objects, moving in one dimension, undergo an isolated
collision. Object 1 has initial velocity 1 m/s. Object 2 has an
initial velocity -3 m/s. After the collision, the relative velocity
of the 2 objects is vAB=+2 m/s. The reduced
mass of the two objects is ⅔ kg. What is the change in total
kinetic energy of the entire system during this
collision? Express your answer in units of Joules.

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